Civil Engineering ⇒ Topic : Force
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Arundeep
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Force is a push or pull which try to change or changes the state of rest or uniform motion of a body.Force is a push or pull which try to change or changes the state of rest or uniform motion of a body. Action of Force on a Body 1. Body at rest - (a) If body remains at rest, force is trying to change the state of rest(b) If body moves, force is changing the state of rest. 2. Body in motion - (a) When force is parallel or anti parallel to motion, it changes the magnitude and not the direction of motion (in a small interval of time). (b) When force is always perpendicular to motion. Direction of motion only changes and not the magnitude and motion is uniform circular. (c) Both magnitude and direction of motion changes and motion is non-uniform circular, elliptic, parabolic or hyperbolic. When force changes the state of rest or motion of a body, by Newton's second law | |
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