Question

Q. No:9 Define force. Mention the effects of force.​

Answer 1

Explanation:

A force acting on an object causes the object to change its shape or size, to start moving, to stop moving, to accelerate or decelerate. When there's the interaction between two objects they exert a force on each other, these exerted forces are equal in size but opposite in direction

Answer 2

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Force :-

• It is an external push or pull which tends to change the state of rest or motion of a body.

Effects of force :-

• It can set a stationary body into motion.
• It can stop the moving bodies.
• It can change the direction of a moving body.
• It can change the dimension of the body.

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Know more :-

• Force is the product of mass and acceleration.
• F = ma
• Its S.I. unit is newton (N).
• When a body of mass 1 kg moves with an acceleration of 1 $\sf{ms^{-2}}$, then the force acting on the body is called one newton.
• 1 newton (N) = $\sf{1 kgms^{-2}}$