Advertisements
Advertisements
प्रश्न
Dust particles are removed from a carpet by beating it.
Advertisements
उत्तर
The part of the carpet where the stick strikes comes in motion at once, while the dust particles settled on it remain in the state of rest due to inertia of rest. Thus, a part of the carpet moves ahead with the stick leaving behind the dust particles that fall down due to gravity.
APPEARS IN
संबंधित प्रश्न
With which physical quantity should the speed of a running bull be multiplied so as to obtain its momentum ?
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 unit of measuring momentum of a moving body is :
What is meant by the term inertia?
Give two examples to show that greater the mass, greater is the inertia of the body.
Why does a person fall when he jumps out from a moving train ?
Explain the following :
It is advantageous to run before taking a long jump .
Explain the following:
Why is it difficult to walk on marshy ground?
