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Obtain information about commonly used devices based on principle of Newton's laws of motion |
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Answer» s First Law states that " every OBJECT which is at rest or uniform motion continues to be in state of res or uniform motion UNLESS compelled to change its state by action of net force."Example:A space craft far from any source of gravity would need no thrust to keep it moving at a constant speed in a given direction.Once set in motion, it continues to move forever without propulsion since there is no friction is space.Second law of motion " Rate of change of momentum of the BODY is directly proportional to the force acting on it."Example:Fielder in a cricket match pulls his hand backwards to reduce impact of impulse force.Working of air bags to prevent the time of injury.Objects in our room REMAIN as it is unless a force as on it act.If we shake a tree, the fruits at rest will FALL down.Third law of motion states " For every action there is equal and opposite reaction "Example:Working Principle of Rocket.Recoil of a gunhope it helps u mate...pls mark me brainliest |
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