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प्रश्न
Multiple Choice Question. Select the correct option.
Inertia is the property of a body by virtue of which the body is:
पर्याय
unable to change by itself the state of rest
unable to change by itself the state of uniform motion
unable to change by itself the direction of motion
unable to change by itself the state of rest or uniform motion.
उत्तर
unable to change by itself the state of rest or uniform motion.
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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 do you fall in the forward direction when a moving bus brakes to a stop and fall backwards when it accelerates from rest?
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
If the mass of a body and the force acting on it are both doubled, what happens to the acceleration ?
Why does a person fall when he jumps out from a moving train ?
Why does a coin, placed on a card, drop into the tumbler when the card is rapidly flicked with a finger?
Explain the following :
When a corridor train suddenly starts , the sliding doors of some compartments may open .
Define force.
Give two examples of inertia kinds.
Explain the following:
Why do fruits fall off the branches in the strong wind?
