Filters
Question type

Study Flashcards

A 4.0-kg block is pushed up a 36° incline by a force of magnitude P applied parallel to the incline. When P is 31 N, it is observed that the block moves up the incline with a constant speed. What value of P would be required to lower the block down the incline at a constant speed?


A) 27 N
B) 15 N
C) 13 N
D) 17 N
E) 19 N

Correct Answer

verifed

verified

A bumper car is moving at constant velocity when another bumper car starts to push on it with a constant force at an angle of 60 degrees with respect to the first car's initial velocity. The second bumper car continues pushing in exactly that direction for some time. What is most likely to happen is that


A) the first car will stop moving.
B) the first car will move in the direction of the force.
C) the first car's velocity will increase in magnitude but not change direction.
D) the first car's velocity will gradually change direction more and more toward that of the force while increasing in magnitude.
E) the first car's velocity will gradually change direction more and more toward that of the force while decreasing in magnitude.

Correct Answer

verifed

verified

An astronaut who weighs 800 N on the surface of the Earth lifts off from planet Zuton in a space ship. The free-fall acceleration on Zuton is 3.0 m/s2 (down) . At the moment of liftoff the acceleration of the space ship is 0.50 m/s2 (up) . What is the magnitude of the force of the space ship on the astronaut?


A) 41 N
B) 0.29 kN
C) 0.24 kN
D) 0.20 kN
E) 0.37 kN

Correct Answer

verifed

verified

The coefficient of kinetic friction between the surface and the larger block is 0.25, and the coefficient of kinetic friction between the surface and the smaller block is 0.40. If F = 22 N and M = 1.0 kg in the figure, what is the magnitude of the acceleration of either block? ​ The coefficient of kinetic friction between the surface and the larger block is 0.25, and the coefficient of kinetic friction between the surface and the smaller block is 0.40. If F = 22 N and M = 1.0 kg in the figure, what is the magnitude of the acceleration of either block? ​   ​ A) 1.8 m/s<sup>2</sup> B) 2.6 m/s<sup>2</sup> C) 1.4 m/s<sup>2</sup> D) 2.2 m/s<sup>2</sup> E) 3.7 m/s<sup>2</sup>


A) 1.8 m/s2
B) 2.6 m/s2
C) 1.4 m/s2
D) 2.2 m/s2
E) 3.7 m/s2

Correct Answer

verifed

verified

A heavy weight is supported by two cables that exert tensions of magnitude A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer. and A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer. . Which statement is correct? ​ A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer.


A) A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer. = A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer. .
B) A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer. = A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer. .
C) A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer. > A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer. .
D) A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer. < A heavy weight is supported by two cables that exert tensions of magnitude   and   . Which statement is correct? ​   ​ A)    =   . B)    =   . C)    >   . D)    <   . E) We need the mass of the box in order to determine the correct answer. .
E) We need the mass of the box in order to determine the correct answer.

Correct Answer

verifed

verified

Which type of force would be the equal and opposite force to a gravitational force?


A) gravitational
B) electromagnetic
C) strong
D) weak
E) It could be any one of the above or some combination of them.

Correct Answer

verifed

verified

If the only forces acting on a 2.0-kg mass are If the only forces acting on a 2.0-kg mass are   , and   , what is the magnitude of the acceleration of the particle? A) 1.5 m/s<sup>2</sup> B) 6.5 m/s<sup>2</sup> C) 4.7 m/s<sup>2</sup> D) 9.4 m/s<sup>2</sup> E) 7.2 m/s<sup>2</sup> , and If the only forces acting on a 2.0-kg mass are   , and   , what is the magnitude of the acceleration of the particle? A) 1.5 m/s<sup>2</sup> B) 6.5 m/s<sup>2</sup> C) 4.7 m/s<sup>2</sup> D) 9.4 m/s<sup>2</sup> E) 7.2 m/s<sup>2</sup> , what is the magnitude of the acceleration of the particle?


A) 1.5 m/s2
B) 6.5 m/s2
C) 4.7 m/s2
D) 9.4 m/s2
E) 7.2 m/s2

Correct Answer

verifed

verified

The three blocks shown are released from rest and are observed to move with accelerations that have a magnitude of 1.5 m/s2. What is the magnitude of the friction force on the block that slides horizontally? Disregard any pulley mass or friction in the pulley and let M = 2.0 kg. The three blocks shown are released from rest and are observed to move with accelerations that have a magnitude of 1.5 m/s<sup>2</sup>. What is the magnitude of the friction force on the block that slides horizontally? Disregard any pulley mass or friction in the pulley and let M = 2.0 kg.   A) 6.0 N B) 5.1 N C) 5.5 N D) 4.6 N E) 3.7 N


A) 6.0 N
B) 5.1 N
C) 5.5 N
D) 4.6 N
E) 3.7 N

Correct Answer

verifed

verified

Two blocks are accelerated across a horizontal frictionless surface as shown. Frictional forces keep the two blocks from sliding relative to each other, and the two move with the same acceleration. If F = 1.2 N and M = 1.0 kg, what is the horizontal component (frictional force) of the force of the small block on the large block? Two blocks are accelerated across a horizontal frictionless surface as shown. Frictional forces keep the two blocks from sliding relative to each other, and the two move with the same acceleration. If F = 1.2 N and M = 1.0 kg, what is the horizontal component (frictional force)  of the force of the small block on the large block?   A) 0.48 N to the right B) 0.72 N to the right C) 0.72 N to the left D) 0.48 N to the left E) 0.65 N to the left


A) 0.48 N to the right
B) 0.72 N to the right
C) 0.72 N to the left
D) 0.48 N to the left
E) 0.65 N to the left

Correct Answer

verifed

verified

If P = 6.0 N, what is the magnitude of the force exerted on block 1 by block 2? If P = 6.0 N, what is the magnitude of the force exerted on block 1 by block 2?   A) 6.4 N B) 5.6 N C) 4.8 N D) 7.2 N E) 8.4 N


A) 6.4 N
B) 5.6 N
C) 4.8 N
D) 7.2 N
E) 8.4 N

Correct Answer

verifed

verified

In the figure, if the tension in string 1 is 34 N and the tension in string 2 is 24 N, what is the mass of the object shown? ​ In the figure, if the tension in string 1 is 34 N and the tension in string 2 is 24 N, what is the mass of the object shown? ​   ​ A) 7.3 kg B) 5.5 kg C) 1.8 kg D) 3.7 kg E) 4.5 kg


A) 7.3 kg
B) 5.5 kg
C) 1.8 kg
D) 3.7 kg
E) 4.5 kg

Correct Answer

verifed

verified

Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other is hanging on a rope suspended from the ceiling. Compare the force Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other is hanging on a rope suspended from the ceiling. Compare the force   the floor exerts on the first person to the force   the rope exerts on the second person. Which statement is correct? A) They are equal and opposite in direction. B) They are equal and have the same direction. C)    is greater than   , but they have the same direction. D)    is greater than   , but they have opposite directions. E)    is less than   , but they have the same direction. the floor exerts on the first person to the force Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other is hanging on a rope suspended from the ceiling. Compare the force   the floor exerts on the first person to the force   the rope exerts on the second person. Which statement is correct? A) They are equal and opposite in direction. B) They are equal and have the same direction. C)    is greater than   , but they have the same direction. D)    is greater than   , but they have opposite directions. E)    is less than   , but they have the same direction. the rope exerts on the second person. Which statement is correct?


A) They are equal and opposite in direction.
B) They are equal and have the same direction.
C) Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other is hanging on a rope suspended from the ceiling. Compare the force   the floor exerts on the first person to the force   the rope exerts on the second person. Which statement is correct? A) They are equal and opposite in direction. B) They are equal and have the same direction. C)    is greater than   , but they have the same direction. D)    is greater than   , but they have opposite directions. E)    is less than   , but they have the same direction. is greater than Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other is hanging on a rope suspended from the ceiling. Compare the force   the floor exerts on the first person to the force   the rope exerts on the second person. Which statement is correct? A) They are equal and opposite in direction. B) They are equal and have the same direction. C)    is greater than   , but they have the same direction. D)    is greater than   , but they have opposite directions. E)    is less than   , but they have the same direction. , but they have the same direction.
D) Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other is hanging on a rope suspended from the ceiling. Compare the force   the floor exerts on the first person to the force   the rope exerts on the second person. Which statement is correct? A) They are equal and opposite in direction. B) They are equal and have the same direction. C)    is greater than   , but they have the same direction. D)    is greater than   , but they have opposite directions. E)    is less than   , but they have the same direction. is greater than Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other is hanging on a rope suspended from the ceiling. Compare the force   the floor exerts on the first person to the force   the rope exerts on the second person. Which statement is correct? A) They are equal and opposite in direction. B) They are equal and have the same direction. C)    is greater than   , but they have the same direction. D)    is greater than   , but they have opposite directions. E)    is less than   , but they have the same direction. , but they have opposite directions.
E) Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other is hanging on a rope suspended from the ceiling. Compare the force   the floor exerts on the first person to the force   the rope exerts on the second person. Which statement is correct? A) They are equal and opposite in direction. B) They are equal and have the same direction. C)    is greater than   , but they have the same direction. D)    is greater than   , but they have opposite directions. E)    is less than   , but they have the same direction. is less than Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other is hanging on a rope suspended from the ceiling. Compare the force   the floor exerts on the first person to the force   the rope exerts on the second person. Which statement is correct? A) They are equal and opposite in direction. B) They are equal and have the same direction. C)    is greater than   , but they have the same direction. D)    is greater than   , but they have opposite directions. E)    is less than   , but they have the same direction. , but they have the same direction.

Correct Answer

verifed

verified

When the vector sum of three co-planar forces, When the vector sum of three co-planar forces,   ,   , and   , is parallel to   , we can conclude that   and   A) must sum to zero. B) must be equal and opposite. C) must have equal and opposite components perpendicular to   . D) must have equal and opposite components parallel to   . E) must have equal and opposite components parallel and perpendicular to   . , When the vector sum of three co-planar forces,   ,   , and   , is parallel to   , we can conclude that   and   A) must sum to zero. B) must be equal and opposite. C) must have equal and opposite components perpendicular to   . D) must have equal and opposite components parallel to   . E) must have equal and opposite components parallel and perpendicular to   . , and When the vector sum of three co-planar forces,   ,   , and   , is parallel to   , we can conclude that   and   A) must sum to zero. B) must be equal and opposite. C) must have equal and opposite components perpendicular to   . D) must have equal and opposite components parallel to   . E) must have equal and opposite components parallel and perpendicular to   . , is parallel to When the vector sum of three co-planar forces,   ,   , and   , is parallel to   , we can conclude that   and   A) must sum to zero. B) must be equal and opposite. C) must have equal and opposite components perpendicular to   . D) must have equal and opposite components parallel to   . E) must have equal and opposite components parallel and perpendicular to   . , we can conclude that When the vector sum of three co-planar forces,   ,   , and   , is parallel to   , we can conclude that   and   A) must sum to zero. B) must be equal and opposite. C) must have equal and opposite components perpendicular to   . D) must have equal and opposite components parallel to   . E) must have equal and opposite components parallel and perpendicular to   . and When the vector sum of three co-planar forces,   ,   , and   , is parallel to   , we can conclude that   and   A) must sum to zero. B) must be equal and opposite. C) must have equal and opposite components perpendicular to   . D) must have equal and opposite components parallel to   . E) must have equal and opposite components parallel and perpendicular to   .


A) must sum to zero.
B) must be equal and opposite.
C) must have equal and opposite components perpendicular to When the vector sum of three co-planar forces,   ,   , and   , is parallel to   , we can conclude that   and   A) must sum to zero. B) must be equal and opposite. C) must have equal and opposite components perpendicular to   . D) must have equal and opposite components parallel to   . E) must have equal and opposite components parallel and perpendicular to   . .
D) must have equal and opposite components parallel to When the vector sum of three co-planar forces,   ,   , and   , is parallel to   , we can conclude that   and   A) must sum to zero. B) must be equal and opposite. C) must have equal and opposite components perpendicular to   . D) must have equal and opposite components parallel to   . E) must have equal and opposite components parallel and perpendicular to   . .
E) must have equal and opposite components parallel and perpendicular to When the vector sum of three co-planar forces,   ,   , and   , is parallel to   , we can conclude that   and   A) must sum to zero. B) must be equal and opposite. C) must have equal and opposite components perpendicular to   . D) must have equal and opposite components parallel to   . E) must have equal and opposite components parallel and perpendicular to   . .

Correct Answer

verifed

verified

The block shown is pulled across the horizontal surface at a constant speed by the force shown. If M = 5.0 kg, F = 14 N and θ = 35°, what is the coefficient of kinetic friction between the block and the horizontal surface? The block shown is pulled across the horizontal surface at a constant speed by the force shown. If M = 5.0 kg, F = 14 N and θ = 35°, what is the coefficient of kinetic friction between the block and the horizontal surface?   A) 0.44 B) 0.33 C) 0.38 D) 0.28 E) 0.17


A) 0.44
B) 0.33
C) 0.38
D) 0.28
E) 0.17

Correct Answer

verifed

verified

A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. and  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. . ​  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are


A)  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. = 15.8 N;  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. = 10.0 N.
B)  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. = 15.8 N;  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. = 16.7 N.
C)  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. = 22.5 N;  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. = 10.0 N.
D)  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. = 22.5 N;  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. = 16.7 N.
E)  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. = 32.5 N;  A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled   and   . ​   ​ Use this exhibit to answer the following question(s) . - A hand exerts an upward force of 6.70 N on the 1.70-kg mass. The magnitudes of the tensions are A)    = 15.8 N;   = 10.0 N. B)    = 15.8 N;   = 16.7 N. C)    = 22.5 N;   = 10.0 N. D)    = 22.5 N;   = 16.7 N. E)    = 32.5 N;   = 10.0 N. = 10.0 N.

Correct Answer

verifed

verified

Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks, as shown. The coefficient of kinetic friction between the blocks and the surface is 0.25. If each block has an acceleration of 2.0 m/s2 to the right, what is the magnitude F of the applied force? ​ Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks, as shown. The coefficient of kinetic friction between the blocks and the surface is 0.25. If each block has an acceleration of 2.0 m/s<sup>2</sup> to the right, what is the magnitude F of the applied force? ​   ​ A) 25 N B) 18 N C) 11 N D) 14 N E) 7.0 N


A) 25 N
B) 18 N
C) 11 N
D) 14 N
E) 7.0 N

Correct Answer

verifed

verified

If F = 4.0 N and m = 2.0 kg, what is the magnitude a of the acceleration for the block shown below? The surface is frictionless. If F = 4.0 N and m = 2.0 kg, what is the magnitude a of the acceleration for the block shown below? The surface is frictionless.   A) 5.3 m/s<sup>2</sup> B) 4.4 m/s<sup>2</sup> C) 3.5 m/s<sup>2</sup> D) 6.2 m/s<sup>2</sup> E) 8.4 m/s<sup>2</sup>


A) 5.3 m/s2
B) 4.4 m/s2
C) 3.5 m/s2
D) 6.2 m/s2
E) 8.4 m/s2

Correct Answer

verifed

verified

The horizontal surface on which the objects slide is frictionless. If M = 2.0 kg, the tension in string 1 is 12 N. Determine F. The horizontal surface on which the objects slide is frictionless. If M = 2.0 kg, the tension in string 1 is 12 N. Determine F.   A) 25 N B) 20 N C) 30 N D) 35 N E) 40 N


A) 25 N
B) 20 N
C) 30 N
D) 35 N
E) 40 N

Correct Answer

verifed

verified

A 2.0-kg object has a velocity of A 2.0-kg object has a velocity of   m/s at t = 0. A constant resultant force of   then acts on the object for 3.0 s. What is the magnitude of the object's velocity at the end of the 3.0-s interval? A) 9.2 m/s B) 6.3 m/s C) 8.2 m/s D) 7.2 m/s E) 7.7 m/s m/s at t = 0. A constant resultant force of A 2.0-kg object has a velocity of   m/s at t = 0. A constant resultant force of   then acts on the object for 3.0 s. What is the magnitude of the object's velocity at the end of the 3.0-s interval? A) 9.2 m/s B) 6.3 m/s C) 8.2 m/s D) 7.2 m/s E) 7.7 m/s then acts on the object for 3.0 s. What is the magnitude of the object's velocity at the end of the 3.0-s interval?


A) 9.2 m/s
B) 6.3 m/s
C) 8.2 m/s
D) 7.2 m/s
E) 7.7 m/s

Correct Answer

verifed

verified

You hold a tennis racket in your hand. On top of the racket you have balanced a ball. Which statement is true?


A) The force of your hand on the racket and the force of the ball on the racket are equal and opposite.
B) The force of the racket on your hand and the force of the ball on the racket are equal and opposite.
C) The force of your hand on the racket and the force of the racket on the ball are equal and opposite.
D) The force of the racket on your hand and the force of the racket on the ball are equal and opposite.
E) The force of your hand on the racket and the force of the racket on your hand are equal and opposite.

Correct Answer

verifed

verified

Showing 21 - 40 of 103

Related Exams

Show Answer