Circular Motion

Bodies in circular motion experience a centripetal acceleration...

• tangent to the circle

• towards the center of the circle

• around the circular path

• directly outside of the circle (opposite of the center)

What does the word centripetal mean?

Which represents the acceleration vector of the bowling ball?

• A

• B

• C

• D

Which of the following depict the velocity vector of the bowling ball?

• A

• B

• C

• D

Centripetal acceleration always points

• in the direction of the object's motion
• in the opposite direction of the object's motion
• towards the center of the circle
• towards the outside of the circle

Tags

NGSS.HS-PS2-1

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

• outwards
• towards the center
• tangent
• faster

What's the centripetal acceleration of an object traveling 2.3 m/s around a circle of diameter 0.6 m?

• 5 m/s²

• 17.63 m/s²

• 10 m/s²

• 8.81 m/s²

Tags

NGSS.HS-PS2-1

Which of the following is the unit for centripetal force?

• J
• m/s²
• kg⋅m/s
• N

A 10kg car travels at a constant speed of 20.0 m/s around a horizontal circular track. Which diagram correctly represent the direction of the car's velocity (v) and the direction of the centripetal force (Fc) acting on the car at a particular moment?

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

Which bucket has more inertia?

• The bucket on the left because it has less mass

• The bucket on the right because it has more mass

• They have the same inertia

• The bucket on the right because it has less mass

Tags

NGSS.HS-PS2-1