Write true or false for the following statements
The motion in animals is called locomotion. Mechanics deals with the motion of non$-$living objects.
True
Two stones are thrown vertically upwards simultaneously with their initial velocities $u _{1}$ and $u _{2}$ respectively. Prove that the heights reached by them would be in the ratio of $u_{1}^{2}: u_{2}^{2}$ (Assume upward acceleration is $-\,g$ and downward acceleration to be $+g$.
If the displacement$-$time graph for a particle is parallel to time axis, what is the velocity of the particle ?
A quantitv which can be represented completely by magnitude alone is called a vector quantity.
State the meaning of uniform circular motion.
What do uou understand by the term acceleration ? When is it positive and when is it negative ?
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