Lakhmir Singh and Manjit Kaur Solutions for Chapter: Motion, Exercise 4: Multiple Choice Questions (MCQs)

A boy is sitting on a merry-go-round which is moving with a constant speed of $10 \mathrm{m} {\mathrm{s}}^{-1}$. This means that the boy is:

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

The speed of a moving object is determined to be $0.06 \raisebox{1ex}{$\mathrm{m}$}\!\left/ \!\raisebox{-1ex}{$\mathrm{s}$}\right.$. The speed is equal to:

A freely falling body travels $4.9 \mathrm{m}$ in $1st$ second, $14.7 \mathrm{m}$ in $2nd$ second, $24.5 \mathrm{m}$ in $3rd$ second and so on. This data shows that the motion of the freely falling body is a case of:

When a car runs on a circular track with a uniform speed, its velocity is said to be changing. This is because:

Which of the following statement is correct in regarding speed and velocity of a moving body?

Which of the following could not be a unit of speed?

Which of the following could not be a unit of acceleration?