Vertical Circles Review

A) On the thing moving in a circle

B) from the middle of the circle

Positive forces point up

Positive forces point down

Positive forces point to the center of the circle

Positive forces point away from the center of the circle

A

B

C

D

When a car is driving in a circle

When a skateboarder goes around a loop

When a roller coaster goes upside-down

When something is pulled by a rope or string

When a surface pulls you towards it

When a surface pushes you away from it

When a string pulls you

force gravity

9.8

Tension

Mass

0

Up/Away from the center of the circle

Down/Towards the center of the circle

Left, not in the centripetal direction

Right, not in the centripetal direction

Up, away from the center of the circle

Down, towards the center of the circle

Left, ignore it

Right, ignore it

Yes it is a real force

Sometimes you use it like a real force

No, it's a 'feeling', not a real force

No but you can still use it in F=ma

When your normal force is small

When your normal force is big

When you are in space

At the left side

At the ride side

At the top of the loop

At the bottom of the loop

A

B

C

D