Draw displacement-time graphs for the following situations:
$(i)$ When a body is stationary.
$(ii)$ When a body is moving with uniform velocity.
$(iii)$ When a body is moving with variable velocity.
$(i)$ When a body is stationary.
$(ii)$ When a body is moving with uniform velocity.
$(iii)$ When a body is moving with variable velocity.
(N/A) $(i)$ When a body is stationary,its displacement does not change with time. Therefore,the displacement-time graph is a straight line parallel to the time axis.
$(ii)$ When a body is moving with uniform velocity,it covers equal displacements in equal intervals of time. Therefore,the displacement-time graph is a straight line inclined to the time axis.
$(iii)$ When a body is moving with variable velocity,it covers unequal displacements in equal intervals of time. Therefore,the displacement-time graph is a curved line.
$(ii)$ When a body is moving with uniform velocity,it covers equal displacements in equal intervals of time. Therefore,the displacement-time graph is a straight line inclined to the time axis.
$(iii)$ When a body is moving with variable velocity,it covers unequal displacements in equal intervals of time. Therefore,the displacement-time graph is a curved line.
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