Force:-
A push or pull on a body is called force or Force is that cause which produces acceleration in the body on which it acts.
For example:- when you push a chair, it tends to move.
- Force is a vector quantity as it has both magnitude and direction.
- Effects of Force:- A force can produce the following effects:
- A force can move a stationary body or can stop a moving body.
- A force can change the speed of a moving body or can change the direction of a moving body.
- A force can change the shape (and size) of a body.
For example:- If we kick a football kept on the ground with our foot, then football starts moving. In this case, the force of our foot moves a stationary football.
- The SI unit of force is called newton and its symbol is N.
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