Physics P2: Forces and Aquaplanning

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Balanced Forces

Forces on moving objects 

For every force, there is an equal sized force acting in the opposite direction

(http://www.createagif.net/actual/266750_CreateAgif.gif) 

When you sit on a chair, it pushes up on you as hard as you push down on it

The weight of a skydiver pulls down on a parachute. This is matched by the upwards tension in the parachute strings.

When a gun is fired, the bullet feels a forward force. The bullet exerts an equal sized backwards force on the gun, which recoils.

Acceleration

When a lift accelerates upwards, the force of the floor pushing upwards is greater than the weight…

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