what is force ?
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A force is a push or pull upon any object .
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" "
- Force is push or pull acting on a body which tends to change its state of rest or of motion. It is denoted by "F". It has a magnitude and a direction.
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Here,
- " m " = Mass of the body
- " a " = Acceleration
- " F " = Force
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Derivation of Force [ F = ma ] using Newton's law of motion.
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Unit of Force :-
- SI unit of force is Newton(N).
- C.G.S (centimetre gram second) unit of force is Dyne.
Effects of force -
- Force can change the direction of a moving object.
- Force can change the shape and size of an object.
- Force can change the speed of a moving object.
- Force can change a body′s state of motion or rest.
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