A force is a push or a pull that acts on an object. There are many kinds of force. Find out more with BBC Bitesize. For students between the ages of 11 and 14.

Newton’s Second Law of Motion states, “The force acting on an object is equal to the mass of that object times its acceleration.” ...

The diagram below shows some examples of vector quantities. The arrow shows the direction. The length of the arrow shows the magnitude, eg the size of the force in the first arrow.