Question

hi guys
plz answer these Questions
ncert class 9 sci ch 8​

Answer 1

Answer:

1. when a body completes one circular path then its displacement is zero

2.SI unit of accelaration is m/s^2

Explanation:

when a body completes a circular path its initial and final position is same so displacement is zero

Answer 2

Answer:

in the case of if....distance travell equal to the circumference of the circular path...if the distance is travel is zero..that means people not travell it's intial position...the person's body at rest...i.e the displacement is zero.

3.ans:- the S.I unit of acceleration is meter per sec.. seqare.....

An object's acceleration is the net result of all forces acting on object ..it is described by newtons's law.