Advertisements
Advertisements
प्रश्न
Explain the following:
Why does dust fly off, when a carpet is hit with a stick?
Advertisements
उत्तर
Because of the sudden movement, the clothes moves, but dust on account of the inertia of rest is left behind.
APPEARS IN
संबंधित प्रश्न
What is the momentum of an object of mass m, moving with a velocity v?
Name the property of bodies (or objects) to resist a change in their state of rest or of motion.
A body of mass 25 kg has a momentum of 125 kg.m/s. Calculate the velocity of the body.
Describe the term ‘inertia’ with respect to motion.
Explain why, a person travelling in a bus falls forward when the bus stops suddenly.
The physical quantity which makes it easier to accelerate a small car than a large car is measured in the unit of :
Why does a coin, placed on a card, drop into the tumbler when the card is rapidly flicked with a finger?
Explain the following :
When a train suddenly moves forward , the passenger standing in the compartment tends to fall backwards .
Inertia of a body depends on
Two bodies have a mass ratio of 3:4 The force applied on the bigger mass produces an acceleration of 12 ms-2. What could be the acceleration of the other body, if the same force acts on it.
