Circular Motion

Centripetal force, created by swinging something in a circle, acts in a direction--

• along the path of motion

• away from the center of the circle

• toward the center of the circle

• tangent to the circle

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

The diagram shows an object moving counterclockwise around a horizontal, circular track. Which diagram below represents the direction of both the object's velocity and the centripetal force acting on the object when it is in the position shown?

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

A curved groove is place on the top of a level table as shown in the diagram. A ball is pushed in the groove at P so that it leaves at Q. Which picture shows how the ball will move when it leaves the groove at Q?

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

At the instant shown in the diagram, the car's centripetal acceleration is directed-

• toward E

• toward N

• toward W

• clockwise

Tags

NGSS.HS-PS2-1

At the position shown in the diagram, which arrow indicates the direction of the centripetal acceleration of the cart?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-1

Which represents the acceleration of the ball?

• A
• B
• C
• D

Tags

NGSS.HS-PS2-1

Which of the following depicts the velocity of the bowling ball?

• A

• B

• C

• D

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

• outwards
• towards the center
• tangent
• faster

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