AP Physics UCM

Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s².

• 2.4 m/s
• 3.6 m/s
• 3.9 m/s
• 4.2 m/s

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

Tags

NGSS.HS-PS2-1

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

• A
• B
• C
• D

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

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

What force keeps planets in orbit around the Sun?

• Friction
• Gravity
• Momentum
• Velocity

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

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

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.

What happens to an object's speed as the radius decreases?

• It increases.
• It decreases.
• It remains unchanged.

Calculate the mass of an object if it took 20 N to rotate it in a circle with a radius of 2 meters with a velocity of 4 m/s

• 4.1 kg
• 3.6 kg
• 2.5 kg
• 1.8 kg

Tags

NGSS.HS-PS2-1