AP Physics

The force of gravity is

• 10 m/s/s

• found by the product of mass times gravity

• also known as weight

• -10 m/s/s

Tags

NGSS.HS-PS2-4

The force that opposes motion is

• Normal

• Friction

• Weight

• Applied

You are moving a ball in a circle using 72 N of centripetal force. What would the force be if you doubled the velocity about the circle?

• 244 N

• 288 N

• 36 N

• 72 N

Which of the following depict the speed of the bowling ball?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Centripetal acceleration is the acceleration…

• Away from the center of the circle

• When an object is going straight

• Toward the center of a circle

• That doesn’t exist

A particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration a and velocity v of the particle at one instant of time?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-1

Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?

• 0.25 ms^-2

• 0.5 ms^-2

• 1 ms^-2

• 2 ms^-2

Tags

NGSS.HS-PS2-1

Which statement is true about an object that is traveling in uniform circular motion?

• The speed of the object varies.

• The net force on the object is directed toward the center of the circular path.

• The direction of the object's velocity is constant.

• The net force on the object is directed away from the center of the circular path.

Tags

NGSS.HS-ESS1-4

Which of the following is the unit for centripetal force?

• J

• m/s²

• kg⋅m/s

• N

Tags

NGSS.HS-PS2-1

Which of the following ranks the tensions in the strings from highest to lowest?

• A>C>D>B

• B>D>C>A

• B>C>A>D

• D>A>C>B

Tags

NGSS.HS-PS2-1