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Movement-Machines-Cars

Movement-Machines-Cars. Question: How do cars work? .

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Movement-Machines-Cars

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  1. Movement-Machines-Cars Question: How do cars work?

  2. A car has lots of bits that help it to work. Wheels to help it move smoothly across the ground; a steering wheel to help the wheels turn so it can move around corners; brakes to slow it down and to stop it from moving but one of the most important parts of a car is the engine.

  3. How an engine works. • The engine needs petrol to work. Petrol burnt inside the engine causes lots of little explosions. The explosions push the pistons, inside the engine down and the push of the pistons turns the crank shaft. • The crank shaft turns the drive shaft and that turns the axel which makes the wheels turn. • When the wheels turn they make the car move.

  4. Car brakes work when the driver pushes on the peddle and that makes the car stop or slow down. • The brakes on your car work the same as the breaks on your bike. The break pad pushes down on the wheel causing friction and slowing the wheel down.

  5. Thanks for watching. By Sophie

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