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
In the following example, try to identify the number of times the velocity of the ball changes:
“A football player kicks a football to another player of his team who kicks the football towards the goal. The goalkeeper of the opposite team collects the football and kicks it towards a player of his own team”.
Also identify the agent supplying the force in each case.
What name is given to the product of mass and velocity of a body ?
A body of mass 25 kg has a momentum of 125 kg.m/s. Calculate the velocity of the body.
On what factor does the inertia of a body depend ? Which has more inertia, a cricket ball or a rubber ball of the same size ?
The unit of measuring momentum of a moving body is :
Name the factor on which the inertia of a body depends and state how does it depend on the factor stated by you .
Name the two kinds of inertia.
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?
Inertia of a body depends on
