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प्रश्न
Tick the most appropriate answer.
Force of friction comes into play when a/an
पर्याय
object attempts motion
moving object tries to stop
object is at rest
all of the these
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उत्तर
all of the these
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संबंधित प्रश्न
Friction opposes the ______ between the surfaces in contact with each other.
Write true or false.
Liquids offer more friction than the gases.
State if the following statement is true or false. Correct the statement if it is false.
Like charges always attract each other.
Fill in the blank.
Bicycles use ...................... to reduce friction between the pedals and the crank
State if the following statement is true or false. Correct the statement if it is false.
Friction has no relation with our walking or running.
State if the following statement is true or false. Correct the statement if it is false.
Friction helps us to grip the objects in our hand.
Answer the following in a word or two or in a sentence.
Why is difficult for a pen to leave a mark on a highly smooth plastic sheet?
Complete the analogy.
Knot in a thread : _____ friction : : Ball bearing : _____ friction
How do you feel when you touch a nail immediately after it is hammered into a wooden plank? Why?
Assertion: There is a danger of a vehicle skidding on a wet road.
Reason: The tires of the vehicle lose their grip on the road due to an increase in friction due to the presence of water on the road.
