what are (1) free fall (2) acceleration due to gravity (3) escape velocity (4) centripetal force?
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1) Free is the state at which an object is falling downward under the effect of gravity alone.
2) Acceleration due to gravity is it's rate of change of velocity of an object due to the sole effect of earth's gravitational pull.
3) Escape velocity is the minimum speed needed for an object to get freedom from the earth's gravitational field.
4) Centripetal force is the force which accelerate an object and keep it moving along the circular path.
2) Acceleration due to gravity is it's rate of change of velocity of an object due to the sole effect of earth's gravitational pull.
3) Escape velocity is the minimum speed needed for an object to get freedom from the earth's gravitational field.
4) Centripetal force is the force which accelerate an object and keep it moving along the circular path.
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