Effects of Force
We cannot see forces. But we can see and some times feel the effects they have on things.
- move a stationary (rest) object
- can slow down or stop a moving object
- change the direction of motion of a moving object
- change the speed of a moving object
- change the shape of an object
- make things turn
You can use a spanner to either loosen or tighten a nut.
Force can make things turn