Advertisements
Advertisements
प्रश्न
Explain the following :
When a train suddenly moves forward , the passenger standing in the compartment tends to fall backwards .
Advertisements
उत्तर
When a train suddenly starts, the passengers tend to fall backwards. This is because the lower part of the body, which is in contact with the train, begins to move while the upper part of the body tends to maintain its position of rest. As a result, the upper part tends to fall backwards.
APPEARS IN
संबंधित प्रश्न
The mass of object A is 6 kg whereas that of another object B is 34 kg. Which of the two objects, A or B, has more inertia ?
Fill in the following blank with suitable word :
(a) ………………is a measure of the inertia of a 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

Why do the passengers in a bus tend to fall backward when it starts suddenly ?
Explain why, a person travelling in a bus falls forward when the bus stops suddenly.
If the mass of a body and the force acting on it are both doubled, what happens to the acceleration ?
The inertia of an object tends to cause an object :
Explain the following:
Why does a pillion rider fall forward, when the driver of a two-wheeler suddenly applies the brakes?
Explain the following:
Why is it difficult to walk on marshy ground?
Assertion & Reasoning
- Assertion: The value of ‘g’ decreases as height and depth increase from the surface of the Earth.
- Reason: ‘g’ depends on the mass of the object and the Earth.
