Question

1.What will be the velocity vector of a particle moving in a circle describing equal

angles in equal times? 1

(i) Changes in direction

(ii)Remains constant

(iii)Changes in magnitude

(iv)Changes both in direction and magnitude

2.What is the expression of velocity of a body when it goes once round the circular

path? 1

(i) π r

(ii) 2r

(iii) 2π r

(iv)2π r / t

3.Can you tell the direction in which the stone moves after it is released? 1

(i) Linear

(ii) Non-linear

(iii) Tangential

(iv) Circular

4. A body moving with a constant speed in a circular path is moving in a circular path

with a con( stant speed. It has _____ 1

(i)Acceleration of constant magnitude

(ii)Constant velocity

(iii)Constant acceleration

iv) An acceleration which varies with time​

Answer 1

1) Changes in direction

2) Vc = 33.75 m/s.

3) Tangential

4) constant kinetic energy

Answer 2

Answer:

1) constant in direction

2) VC = 33.75 m / s

3) Tangential

4) constant kinetic energy