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Topic 1: Forces
A force can change the shape of an object, its motion, or its state of rest.

The driving force of a car is the force that makes it move. Friction acts when the tyre is in contact with
the ground. When the car moves forward:

The force…

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The accelerating force is mass x acceleration, often shortened to force = ma
Remember 1N = 1kgm /s2 because it is mass (kg) time acceleration (m/s/s).

F = resultant force as well as accelerating force.

Using the resultant force from a diagram you can calculate the acceleration.

Remember weight is…

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