Advertisements
Advertisements
प्रश्न
Why does a person fall when he jumps out from a moving train ?
Advertisements
उत्तर
If a person jumps out of a moving train and tries to stop immediately, he falls due to inertia of motion. This is because his body tends to move forward with the velocity of the train while his feet are stationary.
APPEARS IN
संबंधित प्रश्न
Why do you fall in the forward direction when a moving bus brakes to a stop and fall backwards when it accelerates from rest?
Why is it advised to tie any luggage kept on the roof of a bus with a rope?
With which physical quantity should the speed of a running bull be multiplied so as to obtain its momentum ?
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
Why do the passengers in a bus tend to fall backward when it starts suddenly ?
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 :
Give one example of each of the following :
(a) inertia of rest, and (b) inertia of motion .
Give two examples of 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.
