The numerical ratio of displacement to distance for a moving object is :

A. < 1

B. = 1 or > 1

C. > 1

D. = 1 or < 1

A car is moving along a straight road at a steady speed. It travels 200 m in 5 seconds :

(a) What is its average speed?

(b) How far does it travel in 1 second?

(c) How far does it travel in 6 seconds?

(d) How long does it take to travel 240 m?

A particle is moving in a circular path of radius r. The displacement after a circle would be:

A. 0

B. pr

C. 2r

D. 2pr

A boy is sitting on a merry-go-round which is moving with a constant speed of 20 ms^-1. This means that the boy is :

A. at rest

B. moving with no acceleration

C. in accelerated motion

D. moving with uniform velocity

In which of the following cases of motion, the distance moved and the magnitude of displacement are equal?

A. if the car is moving on straight road

B. if the car is moving on circular road

C. if the pendulum is moving to and fro

D. if a planet is moving around the sun