AP Physics Review

What is the relationship between centripetal force and the mass of an object?

• direct

• inverse

• exponential

• inverse squared

The time taken for one complete cycle is called the...

• Period

• Frequency

• Angular velocity

Tags

NGSS.HS-PS4-1

A stone is tied to a string and whirled in a vertical circle at a radius. Which of the following cannot be true?

• The string is most likely to break at the bottom of the circle.

• The tension force is the same everywhere in the circle

• The tension is the least when the stone is at the top of the circle.

Tags

NGSS.HS-PS2-1

A ball with a mass m is fastened to a string and is swung in a vertical circle. When the ball is at the highest point of the circle the tension in the string is:

• mg

• mg + ma

• ma -mg

• mg/ma

Tags

NGSS.HS-PS2-1

When a student stands on a rotating table, the frictional force exerted on the student by the table is

• greater in magnitude than the frictional force exerted on the table by the student

• less in magnitude than the frictional force exerted on the table by the student

• equal in magnitude than the frictional force exerted on the table by the student

• directed away from the center of the table

Tags

NGSS.HS-PS2-1

Given the FBD, which of the following must be true?

• The frictional force must be accelerating the system to the left.

• The box must be accelerating to the right.

• The box must be moving to the right.

• The FBD is incorrectly drawn. This situation isn't possible

Tags

NGSS.HS-PS2-1

Which of the following is true about the system shown?

• The system is not accelerating.

• The tension between m₂ and m₁ is less than the tension between m₂ and m₃

• The acceleration of the system only depends on m₃

• None of the other answers are true

Tags

NGSS.HS-PS2-1

Which of the following statements is true about the image above?

• The accelerations of the blocks will vary according to their mass

• The net force acting on each block is the same

• The blocks will experience the same acceleration

• The 3m box will eat the 2m and the m boxes

Tags

NGSS.HS-PS2-1

Which of the following is not true about the system?

• T₃ is equal to the scalar sum of the magnitudes of T₂ and T₁

• T₃ is equal in magnitude to F_g

• The x- components of the T₁ and T₂ and equivalent but in opposite directions

• The system is in equilibrium.

Tags

NGSS.HS-PS2-1

A man standing on a scale in an elevator notices that the scale reads 40 newtons greater than his normal weight. Which type of movement of the elevator could cause this greater-than-normal reading?

• accelerating upward

• accelerating downward

• moving upward at a constant speed

• moving downward at a constant speed

Tags

NGSS.HS-PS2-1