Advertisements
Advertisements
Question
Dust particles are removed from a carpet by beating it.
Solution
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
RELATED QUESTIONS
Which of the following has more inertia:
- a rubber ball and a stone of the same size?
- a bicycle and a train?
- a five-rupees coin and a one-rupee coin?
Fill in the following blank with suitable word :
(a) ………………is a measure of the inertia of a body.
Describe the term ‘inertia’ with respect to motion.
The inertia of a moving object depends on :
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 50 m/s 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 :
Give two examples to show that greater the mass, greater is the inertia of the body.
Explain the following :
It is advantageous to run before taking a long jump .
Explain the following:
Why does a pillion rider fall forward, when the driver of a two-wheeler suddenly applies the brakes?
A man of mass 100 kg has a weight of ______ at the surface of the Earth.
What are the types of inertia? Give an example for each type.
