Question

In the previous chapter, we described the
motion of an object along a straight line in
terms of its position, velocity and acceleration.
We saw that such a motion can be uniform
or non-uniform. We have not yet discovered
what causes the motion. Why does the speed
of an object change with time? Do all motions
require a cause? If so, what is the nature of
this cause? In this chapter we shall make an
attempt to quench all such curiosities.
For many centuries, the problem of
motion and its causes had puzzled scientists
and philosophers, A ball on the ground, when
given a small hit, does not move forever. Such
observations suggest that rest is the "natural
state" of an object. This remained the belief
until Galileo Galilei and Isaac Newton
developed an entirely different approach to
understand motion. and hindi​

Answer 1

Answer:

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