Advertisements
Advertisements
प्रश्न
Why does a person fall when he jumps out from a moving train ?
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
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.
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
Describe the term ‘inertia’ with respect to motion.
Why do the passengers in a bus tend to fall backward when it starts suddenly ?
The physical quantity which makes it easier to accelerate a small car than a large car is measured in the unit of :
Multiple Choice Question. Select the correct option.
When you kick a stone, you get hurt. Due to which property this happens?
The mass of a body is measured on planet Earth as M kg. When it is taken to a planet of radius half that of the Earth then its value will be ______ kg.
Passengers lean forward when a sudden brake is applied in a moving vehicle. This can be explained by ________.
A man of mass 100 kg has a weight of ______ at the surface of the Earth.
What are the types of inertia? Give an example for each type.
