Circular Motion Week #2

What is the force that causes centripetal acceleration when a car goes around a curve?

• Friction
• Gravity 
• Normal
• Tension

At the top of a rollercoaster loop, In what directions do gravity and the normal force point. A free body diagram is useful to help answer the question

• gravity: down, normal force: up

• gravity: down, normal force: down

• gravity: down: normal force: direction of motion

Tags

NGSS.HS-PS2-1

What force causes CENTRIPETAL ACCELERATION in the ride at World's of Fun that causes you to stick to the wall?

• Friction
• Gravity
• Normal
• Tension

What forces acted on Bruno in the lab?

• Tension only
• Gravity  and the centripetal force only
• Tension and Gravity only
• Tension, Gravity, and the Centripetal force 

At the bottom of the ripcord, gravity and tension point in opposite directions.

• True
• False