Starter quiz
- Pushes and pulls are …
- 'forces' ✓
- What is the type of force that acts between two surfaces trying to move across each other?
- magnetism
- friction ✓
- twists
- gravity
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- What does friction do to moving objects?
- speeds them up
- nothing
- slows them down ✓
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- Name the force which pulls unsupported objects towards the centre of Earth.
- 'gravity' ✓
- In which of these situations is friction useful?
- Going as fast as possible down a slide.
- Rubbing your hands together to warm them. ✓
- The moving parts in engines heating up.
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- Friction works in the ______ direction to the movement.
- 'opposite' ✓
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