Question

What is force? What are the four main effects of force?

Answer 1

Force:
Force can be defined as an influence that tends to set a stationary body in motion or stop a body from moving. The SI unit of force is kg m/s² or newton.

Effects of force:
1. It can make a stationary object move and stop.
2. It can change the speed of a moving object.
3. It can change the direction of a moving object.
4. It can change the shape or size of an object.