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If you tossed an object either up or down and could somehow eliminate the effects of air on its flight you would find that the object accelerates downward at a certain constant rate. The rate is called the free fall acceleration and its magnitude is represented by g. The acceleration is independent of the objects characteristics such as mass density or shape it is the same for all objects.
A ball is dropped from height h. The velocity attained by the ball just before reaching the ground is
ASSERTION: When a body is dropped or thrown horizontally from the same height it would reach the ground at the same time REASON: Horizontal velocity has no effect on the vertical motion
Two balls of different masses are thrown vertically upward with the same initial speed. Which one will rise to a greater height?
Draw following graphs representing motion of an object under freefall neglect air resistance (a) variation of position with respect to time (b) variation of velocity with respect to time (c) variation of acceleration with time
Water drops fall freely from a tap at a height of 4.9 m. If time interval between successive drops is equal and the 4th drop is released when the first lands on the ground, find the separation between the second and third drops
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