Forces... - ...are a push or a pull causing an object to move, stop, speed up, slow down or change direction., Non-contact forces... - ...act from a distance and do not make direct contact with an object e.g. a hairdryer can move light objects., Contact forces... - ...act through physical contact e.g. pushing a table., Gravity... - ...is a non-contact force that attracts objects to one another., Magnetism... - ...is a non-contact force of attraction or repulsion between magnets and magnetic materials. All magnets have a north and south pole. Poles that are the same repel and those that are different attract one another., Friction... - ...is a contact force between two objects rubbing together. It acts in the opposite direction of movement and can slow down or stop a moving object e.g. air friction acting on a parachute., Buoyancy... - ...is a contact force that acts in the opposite direction to gravity on objects in liquid.e.g. an ice cube in a drink is pushed towards the surface.,

Describing and Categorising Forces

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