What is Force?

Question

What is the Definition of Force? And, What are the Effects of Force?

Answer 1

Force : A push or pull applied to a body is called force.

• The SI unit of force is Newton (N)
• Formula to calculate force F = m * a. ( F= force, m= mass of an object, a=acceleration)

Effects of Force 

1. A force can move a stationary body.
2. A force can stop a moving body.
3. A force can change the speed of a moving body.
4. A force can change the direction of a moving body.
5. A force can change the shape (and size) of a body.