A force is something which can change the ____ of an object. In simple terms, a force is a push, a ____ or a twist. Specific forces include gravity, ____, surface ____ and friction.Forces can make an object start or stop ____, make it speed up or slow down, make it change shape or make it change ____. Forces which require objects to touch in order to be active are ____ forces. When the objects do not need to touch in order for the force to act, it is a ____ force. Examples of non-contact forces are magnetism or ____. Forces act in ____. When the opposing forces are ____, they are said to be balanced. If the opposing forces are not equal, they are said to be ____. We measure forces in units called ____. We measure them with a force-meter, which is also called a Newton-meter or a ____ balance.

Year Seven Physics: Describing Forces

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