Advertisements
Advertisements
Question
What will be the momentum of a body of mass ‘m’ which is moving with a velocity V ?
Advertisements
Solution
Momentum of a body of mass 'm' moving with a velocity 'v' = m × v
APPEARS IN
RELATED QUESTIONS
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

Explain why, a person travelling in a bus falls forward when the bus stops suddenly.
Why does a ball thrown vertically upwards in a moving train , come back to the thrower's hand ?
What are inertia kinds?
Explain the following:
Why does dust fly off, when a carpet is hit with a stick?
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.
Two bodies have a mass ratio of 3:4 The force applied on the bigger mass produces an acceleration of 12 ms-2. What could be the acceleration of the other body, if the same force acts on it.
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)
