1. What is the force that keeps something moving in a circle?
- The centripetal force
- The velocity force
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Other questions in this quiz
2. Which way does a magnetic field travel?
- East to West
- North to south pole
- South to East
- South to North
3. What does centripetal force depend on?
- Mass, speed and radius.
- Friction, gravity and tension.
4. What is the cornea and what is its role in the eye?
- It is a transparent window, it does most of the eyes focusing.
- It is a transparent window, it controls the intensity of light.
5. Where are images formed?
- On the retina, which is covered in light sensitive cells. These cells detect light and send signals to the brain to be interpreted.
- On the lens.
- On the cornea.
- On the iris.