AP PHYSICS REVIEW 4/27

The graph respresents

• no motion
• constant velocity
• increasing velocity
• decreasing velocity

At what time did runner A pass runner B?

• 0 seconds
• 1 second
• 2 seconds
• 3 seconds

Calculate the acceleration for segment A.

• 2 m/s²
• 2 m/s
• -2 m/s²
• 0 m/s²

Which graph represents zero acceleration (constant velocity)?

• A
• B
• C
• D

What is happening between 3 seconds and 4 seconds?

• The object is moving in a negative direction.
• The object is returning to its starting position.
• The object is slowing to a stop.
• The object is changing direction.

As the angle of the incline increases, what happens to the normal force?

• The normal force increases
• The normal force decreases
• The normal force is not affected by the incline
• The normal force is only dependent on the force due to gravity

The acceleration of an object is proportional to ...

• the net force acting upon it
• its position
• its velocity
• its mass

Raymond is hover boarding down they hall at a constant velocity. Assuming there is friction, which of the following must be true?

• The force applied by the board must be greater than the frictional force
• The frictional force must equal the force applied by the board
• The force applied must equal zero
• There is not enough information

If you throw a baseball straight up, what is its velocity at the highest point?

• 9.8 m/s²
• 9.8 m/s
• 0 m/s
• 4.9 m/s

A 5 kg ball is lifted 12 m above the ground. It's gravitational potential energy is

• 60 J
• 600 J
• 17 J
• 2.4 J