Centripetal Motion

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.MS-ESS1-2

NGSS.MS-PS2-4

Which represents the acceleration of the ball?

• A
• B
• C
• D

Tags

NGSS.MS-PS2-2

Indicate which of the following statements are true regarding an object experiencing uniform circular motion. Check all that apply.

• A force always works to pull the object out of the circle

• The acceleration of the object is pointed in a line tangential to the circle

• The object moves at a constant speed

• Both the force and acceleration of the object faces towards the center of the circle

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following terms means "center seeking"?

• centrifugal
• centrifuge
• centripetal
• centenarian

Acceleration only takes place when things speed up. 

• True
• False

Which of the following is the unit for centripetal force?

• J
• m/s²
• kg⋅m/s
• N

Which of the following units is used for tangential velocity?

• m/s²
• N
• J
• m/s

Which of the following is the formula for centripetal acceleration?

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

Which of the following applies Newton's second law to centripetal force?

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

What happens to the centripetal force exerted on an object if you triple the velocity?

• it increases to 3X
• it decreases to 6X
• it increases to 6X
• it increases to 9X