Advertisements
Advertisements
प्रश्न
Explain why, a person travelling in a bus falls forward when the bus stops suddenly.
Advertisements
उत्तर
When a moving bus stops suddenly, the passengers are jerked forward because of inertia. The passengers tend to remain in their state of motion (which they possess in a moving bus) even though the bus has come to rest.
APPEARS IN
संबंधित प्रश्न
With which physical quantity should the speed of a running bull be multiplied so as to obtain its momentum ?
Fill in the following blank with suitable word :
(a) ………………is a measure of the inertia of a body.
If the mass of a body and the force acting on it are both doubled, what happens to the acceleration ?
The inertia of a moving object depends on :
The physical quantity which makes it easier to accelerate a small car than a large car is measured in the unit of :
Name the factor on which the inertia of a body depends and state how does it depend on the factor stated by you .
Give two examples to show that greater the mass, greater is the inertia of the body.
Explain the following:
Why is it difficult to walk on marshy ground?
Inertia of a body depends on
A heavy truck and bike are moving with the same kinetic energy. If the mass of the truck is four times that of the bike, then calculate the ratio of their momenta. (Ratio of momenta = 2:1)
