Year 7 Forces

Front

Force

Back

A push or pull or twist on an object.

Front

Balanced Force

Back

Forces that are equal and opposite – the object stays still or moves at the same speed.

Front

Unbalanced Force

Back

Forces that are not equal – they cause a change in motion (speed or direction).

Front

Gravity

Back

A non-contact force that pulls objects towards the Earth.

Front

Weight

Back

The force of gravity acting on an object.

Front

Mass

Back

How much matter is in an object – it doesn’t change depending on location.

Front

Friction

Back

A contact force that slows things down when two surfaces rub against each other.

Front

Air Resistance

Back

A type of friction caused by air that slows things moving through it.

Front

Lift

Back

The upward force that helps planes rise into the air.

Front

Drag

Back

The force that pulls back on an object moving through air or water.