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प्रश्न
Fill in the blank.
A moving football when kicked, its .................. changes.
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उत्तर
A moving football when kicked, its direction of motion changes.
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संबंधित प्रश्न
Write true or false.
A force can change the direction of motion of a moving body.
What do you understand by the term friction?
Tick the most appropriate answer.
Which of the following is not an effect of force?
State if the following statement is true or false. Correct the statement if it is false.
Force applied on an object can increase its mass.
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.
Answer the following in short.
Why does a charged balloon stick to a wall?
Identify the agent exerting the force, the object on which the force is acting and the effect of the force in the following situation
Squeezing out the juice from an orange.
Answer the following in short.
Why do wrestlers rub powder on their hands before getting into the ring?
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.
Two objects repel each other. This repulsion could be due to
