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AP Physics 1 - Unit 2 Progress Check: MCQ Part A&B (2023)
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AP Physics 1 - Unit 2 Progress Check: MCQ Part A&B (2023) If the mass of block B is 2kg, the gravitational force exerted on block B is most nearly which of the following? 20 N The two blocks eventually stop and reverse direction. Which of the following graphs best predicts the acceleration of ...

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  • April 12, 2023
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  • 2022/2023
  • Exam (elaborations)
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  • ap physics 1 unit 2 progress check mcq part aampb 2023 if the mass of block b is 2kg
  • the gravitational force exerted on block b is most nearly which of the following 20 n the two blocks even

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AP Physics 1 - Unit 2 Progress Check: MCQ Part A&B
(2023)
If the mass of block B is 2kg, the gravitational force exerted on block B is most
nearly which of the following?
20 N
The two blocks eventually stop and reverse direction. Which of the following
graphs best predicts the acceleration of block A as it moves up and down the
rough, inclined surface? Assume that the positive direction points down the
slope.
--------
----------
(In Quadrant 1)
A 5kg object is released from rest near the surface of a planet such that its
gravitational field is considered to be constant. The mass of the planet is
unknown. After 2s, the object has fallen 30m. Air resistance is considered to be
negligible. What is the gravitational force exerted on the 5kg object near the
planet's surface?
75 N
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?
Mg
The amusement park ride shown above takes riders straight up a tall tower and
then releases an apparatus holding seats. This apparatus free-falls back to Earth
and is stopped safely right above the ground. Which of the following indicates the
magnitude of the gravitational force exerted on a rider of mass m on the way up
and on the way down?
Way Up: Equal to mg
Way Down: Equal to mg
Identical spheres are dropped from a height of 100m above the surfaces of both
Planet X and Planet Y. The position of the spheres as a function of time is
recorded as the spheres fall. These data are shown in the graphs above. Which
planet exerts a greater gravitational force on the sphere, and what evidence
supports this conclusion?
Planet Y , because the magnitude of the slope of the curve increases at a faster rate.
Two identical blocks, block A and block B, are placed on different horizontal
surfaces. Block A is initially at rest on a smooth surface, while block B is initially
at rest on a rough surface. A constant horizontal force of magnitude F0 is exerted
on each block. After the force has been applied for a time Δt, the speeds of
blocks A and B are vA and vB, respectively. Which of the following claims
indicates the correct relation between vA and vB and provides the best
justification for the relation?
vA>vB. The forces between the atoms in a block and the atoms in a surface oppose the
motion of the block and are greater, on average, for block B.

, Which of the following experiments could be used to determine the inertial mass
of a block?
Use a spring scale to exert a force on the block. Measure the acceleration of the block
and the applied force.
A 1500kg car traveling along a road is hit by a 0.1kgrock that creates a small
crack in the car's windshield. Which of the following describes the interaction
between the windshield and the rock?
The car exerts a force on the rock, and the rock exerts a force on the car. The two
forces are equal in magnitude.
Two objects, X and Y, move toward one another and eventually collide. Object X
has a mass of 2M and is moving at a speed of 2v0 to the right before the collision.
Object Y has a mass of M and is moving at a speed of v0 to the left before the
collision. Which of the following describes the magnitude of the forces F the
objects exert on each other when they collide?
The force exerted by X on Y is F to the right, and the force exerted by Y on X is F to the
left.




AP Physics Unit 2 Progress Check: MCQ Part B
Three boxes are pulled to the left by strings with negligible mass on a horizontal
surface, as shown above. The masses of the boxes are m1, m2, and m3, where
m3>m2>m1. Friction between the boxes and the surface is negligible. The figure
below shows force diagrams for each box. Given that m3>m2>m1, how do the
force F and string tensions TA and TB compare?
Tb<ta<F
Three boxes are pulled to the left by strings with negligible mass on a horizontal
surface, as shown above. The masses of the boxes are m1, m2, and m3, where
m3>m2>m1. Friction between the boxes and the surface is negligible. The figure
below shows force diagrams for each box. Which of the following is a correct
ranking of the normal forces Fn1, Fn2, and Fn3 exerted on the boxes?
Fn3>Fn2>Fn1
Three boxes are pulled to the left by strings with negligible mass on a horizontal
surface, as shown above. The masses of the boxes are m1, m2, and m3, where
m3>m2>m1. Friction between the boxes and the surface is negligible. The figure
below shows force diagrams for each box. A student is trying to determine the
tensions in the strings connecting the boxes. If the acceleration of the system

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