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
Why is it advised to tie any luggage kept on the roof of a bus with a rope?
Fill in the following blank with suitable word :
(a) ………………is a measure of the inertia of a body.
A body of mass 25 kg has a momentum of 125 kg.m/s. Calculate the velocity of the body.
Calculate the momentum of the following :
(a) an elephant of mass 2000 kg moving at 5 m/s
(b) a bullet of mass 0.02 kg moving at 400 m/s
If the mass of a body and the force acting on it are both doubled, what happens to the acceleration ?
What is Galileo's law of inertia?
What is meant by the term inertia?
What are inertia kinds?
Two blocks of masses 8 kg and 2 kg respectively lie on a smooth horizontal surface in contact with one other. They are pushed by a horizontally applied force of 15 N. Calculate the force exerted on the 2 kg mass.
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)
