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प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
Friction wears down the parts of machi
पर्याय
True
False
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उत्तर
True
APPEARS IN
संबंधित प्रश्न
Write true or false.
The frictional force acts in the direction of motion of body
Select the correct alternative.
Friction
What effect can a force produce on a body which is not allowed to move?
Name the type of force which act in the following case:
A stone falls from a roof
It is difficult to open an inkpot with greasy or oily hands. Explain.
State if the following statement is true or false. Correct the statement if it is false.
Gravitational force is a contact force.
Answer the following in a word or two or in a sentence.
A child tries to slide a wooden block on the top of a table, but she is unable to get a smooth movement. What material do you suggest she should use in between the block and the table to get a smooth movement?
Answer the following in short.
Why do wrestlers rub powder on their hands before getting into the ring?
Two women are of the same weight. One wears sandals with pointed heels while the other wears sandals with flat soles. Which one would feel more comfortable while walking on a sandy beach? Give reasons for your answer.
Mention the factors on that the effect of a force depends.
