Circular Motion Quiz

What is the formula for calculating centripetal acceleration?

If an object moves with a constant speed of 10 m/s in a circle of radius 5 m, what is the centripetal force acting on the object if its mass is 2 kg?

• 40 N

• 20 N

• 100 N

• 4 N

Tags

NGSS.HS-PS2-1

If an object moves with a constant speed of 20 m/s in a circle of radius 10 m, what is the centripetal force acting on the object if its mass is 3 kg?

• 120 N

• 60 N

• 30 N

• 12 N

Tags

NGSS.HS-PS2-1

What is the period of an object in uniform circular motion if it completes 5 revolutions in 20 seconds?

• 1 second

• 4 seconds

• 5 seconds

• 0.25 seconds

How long does it take for an object to complete 10 revolutions if its period is 2 seconds?

• 5 seconds

• 10 seconds

• 20 seconds

• 15 seconds

What is the frequency of an object in uniform circular motion if it completes 120 revolutions in 2 minutes?

• 0.5 Hz

• 1 Hz

• 2 Hz

• 60 Hz

Tags

NGSS.HS-PS4-1

How long does it take for an object to complete 50 revolutions if it is moving with a frequency of 5 Hz?

• 5 seconds

• 10 seconds

• 25 seconds

• 50 seconds

Tags

NGSS.HS-PS4-1

What unit is used to measure the frequency of rotation in circular motion?

• Meters per second (m/s)

• Newton (N)

• Hertz (Hz)

• Joule (J)

Tags

NGSS.HS-PS4-1

If the frequency of an object in circular motion is 0.5 Hz, what is its period?

• 0.5 seconds

• 1 second

• 2 seconds

• 4 seconds

Tags

NGSS.HS-PS4-1