AP Physics Dynamics Test Questions and Answers Latest Update 2024 Already Passed
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AP Physics Dynamics
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AP Physics Dynamics
AP Physics Dynamics Test Questions and Answers Latest Update 2024 Already Passed
Under which circumstance is there a force exerted on the apple by your hand? - Answers When you are picking the apple up off of the floor
Newtons and pounds are __________. - Answers different units for measuring fo...
AP Physics Dynamics Test Questions and Answers Latest Update 2024 Already Passed
Under which circumstance is there a force exerted on the apple by your hand? - Answers When you are
picking the apple up off of the floor
Newtons and pounds are __________. - Answers different units for measuring force
Which of the following is a legitimate way to describe the force between a skydiver and the air she is
falling through as the skydiver is falling toward the ground? - Answers The drag force exerted by the air
on the skydiver
If you know all of the forces acting on an object and you know the mass of that object, what quantities
can you figure out from that information? - Answers The acceleration of the object
Which of the following is a legitimate way to describe the force between a road and a car driving on the
road? - Answers The normal force exerted by the road on the car
Blocks A and B have equal masses and are connected by a rope that passes over a frictionless pulley, as
shown. At this moment, the system is at rest. Compare the magnitudes of the force of tension exerted
on block A and the force of tension exerted on block B. - Answers The force of tension exerted on block
A is equal in magnitude to the force of tension exerted on block B.
Consider a car speeding up as it drives along a level road. Which of the following is an action-reaction
pair (from Newton's third law)? - Answers The normal force exerted on the car by the road and the
downward force exerted on the road by the car.
Josh punches his open left hand with his right hand. Which statement is true about the forces his two
hands exert on each other? - Answers Josh's right hand and left hand exert equal and opposite forces on
each other
Blocks A and B have equal masses and are connected by a rope that passes over a frictionless pulley, as
shown. At this moment, the system is in motion, with block B moving downward and A moving upward
at a constant speed. Compare the magnitudes of the force of tension exerted on block A and the force
of tension exerted on block B. - Answers The force of tension exerted on block A is equal in magnitude
to the force of tension exerted on block B.
Miguel leans against a wall. Which statement is true about the forces Miguel and the wall exert on each
other? - Answers Miguel and the wall exert equal and opposite forces on each other.
A block of mass M is attached to a modified Atwood machine and is accelerated upward at 3a by a
constant force
𝐹0
. What is the weight of the block? - Answers Mg
, Which of the following is a valid force that could be exerted on a baseball? - Answers The force on a
baseball being hit by a bat
Imagine a car sitting empty in the parking lot. Which of the following is the most complete list of the
forces that belong on a free-body diagram (FBD) of the car? - Answers The normal force on your car by
the pavement it rests on and the force of gravity on your car by the earth
If you could somehow increase the mass of an object, what would happen to the net force on the
object? - Answers The net force on an object doesn't depend on the object's mass.
Which of these is a valid force that could be exerted on a car racing through narrow city streets? -
Answers The force of friction between the road and the car (its tires)
A person is standing still while leaning against the wall in a classroom. Which is the best answer
regarding the number of forces exerted on her? - Answers At least four
Cortni pulls on a rope that is attached to a large crate. She is pulling the crate along at a constant speed
as it slides across rough carpet. How does the magnitude of the force of tension exerted on Cortni
compare to the magnitude of the force of tension exerted on the crate? - Answers The force of tension
exerted on the crate has the same magnitude as the force of tension exerted on Cortni.
Floating in deep space, you find yourself at rest next to a small asteroid. You reach out and tap the
asteroid with a hammer. What happens to you in this process? - Answers You will briefly accelerate
away from the asteroid and then drift away at a constant speed.
In the figure, a hand is pushing on block B to the right, causing both blocks to move to the right across a
rough surface at a constant speed. Compare the force that pushes block B to the right to the force that
pushes block A to the right. - Answers The force that pushes block A to the right is smaller than the force
that pushes block B to the right.
A person is trying to pull a heavy crate across a room with a rope that is attached to the crate, but it
doesn't move. The tension in the rope ________________. - Answers is equal at both ends of the rope
Blocks A and B have equal masses and are connected by a rope that passes over a frictionless pulley, as
shown. At this moment, the system is in motion, with block B moving downward and A moving upward
at a constant speed. Compare the magnitudes of the force of tension exerted on block A and the force
of tension exerted on block B. - Answers The force of tension exerted on block A is equal in magnitude
to the force of tension exerted on block B.
Blocks A and B are connected by rope 1 and are pulled at constant speed across a rough surface by rope
2, which is attached to block B, as shown. Compare the magnitude of the tensions in ropes 1 and 2. -
Answers The magnitude of the tensions in the two ropes will not be equal.
Students connect a spring scale to a block on a rough horizontal surface. The students use the spring
scale to measure the magnitude of the horizontal force needed to pull the block at a constant speed.
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