Single Pulley Assembly
A pulley helps us do work by changing the amount and/or the direction of an applied force. Use pulleys to show the four types of force you need:
1. Applied Force: the force you apply to push or pull an object
2. Friction: a force that opposes motion caused by surfaces rubbing together
3. Load: the weight of an object
4. Gravity: the force that pulls all matter towards the centre of the earth
- 50mm diameter
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