Skip to content
Back to quiz
6. When does the principle of moments apply to an object?
- When the object is in equilibrium
- When the object is not in equilibrium
7. What factors affect the stability of an object?
- All of above
- Base size
- Position of centre of mass
8. What sort of orbit does a communications satellite have?
- Geostationary
- Moment orbit
- Satellite orbit
- Circular orbit
- Mention orbit
9. What is centripetal acceleration?
- Decelleration towards the centre of the circle
- Acceleration towards the centre of the circle
- Decelleration away from the centre of the circle
- Acceleration away form the centre of the circle
- Acceleration
10. In which direction does a centripetal force act?
- Towards the Circle centre
- Away from the circle centre
- away from the person
- Towards the person
11. What is the force of gravity?
- A attractive force between masses
- A detractive force between masses
12. What happens to the force of gravity as bodies move further apart?
- Don
- Nothing
- It gets more
- It gets less
- It stays the same
13. What type of orbit do planets have around the sun?
- Ellipses
- Square
- Circular
- Triangular
- Oval
14. When will an object topple?
- when the centre of mass is lower
- When the centre of mass moves ousidethe base
- When the centre of mass stays inside the base
15. What is a communication satellite? A satellite used to send and receive....
- Only telephone signals
- Internet
- Telephone and TV signals
- Mobiles
- Hairbands