Uniform Circular Motion

What is the direction of the velocity at point B, if the ball is revolving clockwise?

• up

• right

• down

• left

The velocity is always _____ to the line of a circle. 

• outwards
• towards the center
• tangent
• faster

what is the centripetal acceleration formula?

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What is the velocity formula for uniform circular motion?

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Centripetal acceleration is ...

• Acceleration toward the center of a curved or circular path
• Acceleration toward the outside of a circle
• Vertical motion instead of horizontal motion

Which of the following is the unit for centripetal force?

• J
• m/s²
• kg⋅m/s
• N

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

• Period
• Frequency 
• Angular velocity

Tags

NGSS.HS-PS4-1

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-PS2-1

Two students (A and B) are on a merry-go round (depicted). Which student has the greater period of revolution?

• A

• B

• Both are equal

• Cannot be determined

What type of acceleration does an object moving with constant speed in a circular path experience?    
A) free fall  
B) constant acceleration  
C) linear acceleration  
D) centripetal acceleration 

• A
• B
• C
• D