Contact and non-contact forces

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Description

Forces make the world work.  Without them, energy couldn’t be transferred between different types of energy stores, and life would become very boring indeed – in fact, life wouldn’t have developed in the first place.  In this video, we’ll introduce the idea of a force before going on to look at the some of the different types of forces.

Key Words

air resistance, normal reaction, tension, magnetic, gravitational, push, pull, speed, shape, electrostatic, friction, force, direction, contact force, non-contact force