Circular Motion

Which represents the acceleration of the ball?

• A
• B
• C
• D

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

• A
• B
• C
• D

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

• outwards
• towards the center
• tangent
• faster

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.

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

You swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?

• Friction
• Centripetal Force
• Gravity
• Inertia

Centrifugal force is a ______

• force that pushes you to the outside of a circle during uniform circular motion.

• fictitious force that is really just the linear motion of an object in uniform circular motion.

• The force that keeps the planets in orbit

What is the velocity formula for uniform circular motion?

• 
• 
• 
• 

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