# Circular motion.

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- Created by: Jelly Tot
- Created on: 17-04-14 16:16

## Other questions in this quiz

## 2. What is centrepetal force?

- A force that acts on an object moving in a circle that opposes gravity.
- A fore that must be applied to an object to make it move around in a circle.
- Something in star trek
- A force that pulls the object away from the centre of the circular path.

## 3. The earth rotates around its axis. To show what it's speed is, which equation would we use?

- W=2Pi / T
- W=V/r
- a=W^2r
- F=mv^2/r

## 4. Which is the correct equation for working out angular velocity?

- W=V/R
- W=VR
- W=R/V
- W=D/T

## 5. How many radians are there in a full circle?

- 36 radians
- 2 radians
- 1.5 radians
- 1/4 radians

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