Lakhmir Singh and Manjit Kaur Solutions for Chapter: Force and Laws of Motion, Exercise 9: Multiple Choice Questions (MCQs)

The rockets work on the principle of conservation of:

An object of mass $2 \mathrm{kg}$ is sliding with a constant velocity of $4 \mathrm{m}/\mathrm{s}$ on a frictionless horizontal table. The force required to keep this object moving with the same velocity is:

The physical quantity which makes it easier to accelerate a small car than a large car is measured in the unit of:

According to the third law of motion, action, and reaction:

A Honda City car, a Maruti Alto car, a Tata Nano car and a Mahindra Scorpio car, all are running at the same speed of under identical conditions. If all these cars are hit from behind with the same force, and they continue to move forward, the maximum acceleration will be produced in:

The acceleration produced by a force of $5 \mathrm{N}$ acting on a mass of $20 \mathrm{kg}$ in $\raisebox{1ex}{$\mathrm{m}$}\!\left/ \!\raisebox{-1ex}{${\mathrm{s}}^2$}\right.$ is:

Which of the following situations involves Newton's second law of motion?

A fielder pulls his hands back after catching the cricket ball. This enables the fielder to: