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प्रश्न
Complete the analogy.
Knot in a thread : _____ friction : : Ball bearing : _____ friction
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उत्तर
Knot in a thread : Increase friction : : Ball bearing : Reduces friction
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संबंधित प्रश्न
Define static friction
Define rolling friction
State if the following statement is true or false. Correct the statement if it is false.
Like charges always attract each other.
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
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 is offered by all the three states of matter.
Answer the following in short.
List the various states of matter that offer frictional force?
Answer the following in detail.
Define friction and explain how it is useful to us.
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
