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प्रश्न
Write true or false.
A force can change the direction of motion of a moving body.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Write true or false.
A wet oily road offers more friction than a dry rough road.
State the effect produced by a force in the following case:
A spring is compressed.
Name the type of force which act in the following case:
A stone falls from a roof
What do you understand by the term friction?
Answer the following in a word or two or in a sentence.
Name the force that is responsible for the falling of a stone from a height to the ground.
Identify the agent exerting the force, the object on which the force is acting and the effect of the force in the following situation
A child jumping to a height.
Solve the following numerical problem.
Two horses pull a cart in the same direction with a force of 500 N each. Find the resultant force acting on the cart.
Application of force in an object results in motion from a state of ______.
Two balls of the same size but of different materials, rubber and iron are kept on the smooth floor of a moving train. The brakes are applied suddenly to stop the train. Will the balls start rolling? If so, in which direction? Will they move at the same speed? Give reasons for your answer.
What is momentum? Write its SI unit. Interpret force in terms of momentum. Represent the following graphically
(a) momentum versus velocity when mass is fixed.
(b) momentum versus mass when velocity is constant.
