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प्रश्न
The unit of measuring momentum of a moving body is :
विकल्प
m s−1
kg.ms−1
kg.m s−2
Nm2 kg−2
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उत्तर
kg.ms-1
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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.
Why is it advised to tie any luggage kept on the roof of a bus with a rope?
What is the momentum of an object of mass m, moving with a velocity v?
Why do the passengers in a bus tend to fall backward when it starts suddenly ?
What is Galileo's law of inertia?
Explain the following :
When a train suddenly moves forward , the passenger standing in the compartment tends to fall backwards .
Explain the following :
It is advantageous to run before taking a long jump .
Multiple Choice Question. Select the correct option.
When you kick a stone, you get hurt. Due to which property this happens?
A man of mass 100 kg has a weight of ______ at the surface of the Earth.
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.
