Question

Q2. Correct the following statements

(a) In practical life, most bodies move with a uniform speed.

in 7 class ​

Answer 1

A body moves with a uniform speed in a circular path of radius. What is the displacement of the body on covering

4

1

th of the revolution? Find the relation between the number of revolutions and the corresponding angle described.One-fourth revolution is 90

0

in angle.

So, displacement is distance between final and initial position.

So, d=

2

∗r

Also, one revolution is 360

0

so, n revolutions = 360

0

Answer 2

Yes it move in uniform statement