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What Would happen if you put oil on your pikes brake pads?
Your brakes will slip.

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What kind of bike Tyre Is good for riding in forest? Mountin bike Tire because there not flat

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What is crated when two Surfaces meet? It will make heat.

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Oils and lubricants on moving metal parts help to: Reduce Friction by allowing the parts to slide past each other,
-Absorb some of the heat and spread it away from the touching surfaces.

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When two surfaces Rub against one another, the resulting friction causes the surfaces molecules to vibrate. This Creates heat.

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The wheel grip. Using brakes to grip onto the wheels. chain

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In machines friction occurs where two surfaces slide or roll over each other.
Some parts of a machine are designed to overcame friction, e.g
Wheels (because they roll), ball bearings and oiled parts.

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Friction is a face of resistance to the motion of an object.
Friction arises when the bumps on two surfaces collide.

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Levers are a simple machine. A lever is rigid bar that is rotates about a point.

All levers have 3 components
- The place where the force is applied. effort point.
- The fixed point the lever rotates on (pivot/ fulcrum/point
-The load that gets moved (load point)