In this episode we look at a group of forces–magnetic, electric and gravitational–which are different in kind from the pushes...
You can demonstrate the effect of an electric force by first rubbing a pair of party balloons on your jumper, then separating...
Your teaching is likely to concentrate on frictional forces, gravity, and magnetic forces. But you'd not want to confuse these...
There are three kinds of contact forces that can support an object.
The main types of forces that you will meet can be divided into contact and non-contact forces.
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