Chhattisgarh Board Solutions for Chapter: Force and Laws of Motion, Exercise 4: Exercise

The reason for inertia of a body is

A boy is sitting on the uppermost berth of a train. Just when the train is coming to a halt, he drops a mango in the open hands of his brother who is sitting on the seat right below him. Where will the mango fall?

The concept of rocket launching is based on

A ball stops in $0.06 \mathrm{s}$ when a force of $500 \mathrm{N}$ is applied to it. The momentum of the ball is

Both the ends of a balance are pulled with a weight of $20-20 \mathrm{kg}$ on each side. The reading on the balance is _____ $\mathrm{kg}$.

The first law of motion is also known as the law of _____.

If the acceleration of a body is doubled while keeping its mass constant, the force becomes _____ (double/ half/ same as before).

Force is a _____ quantity.