explain the term free fall and state the corresponding kinematical equations of motion in the usual notation
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An object in free fall experiences an acceleration of -9.8 m/s/s. (The - sign indicates a downward acceleration.) ... This value can be used as one of the motion parameters in the kinematic equations; for example, the final velocity (vf) after traveling to the peak would be assigned a value of 0 m/s.
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when a body falls there are three force acting on the body the gravitational force due to the earth, the force of buoyancy and the force dut to friction with air
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