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प्रश्न
Tick the most appropriate answer.
Friction produces
विकल्प
heat
change of state
electricity
pressure
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उत्तर
heat
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संबंधित प्रश्न
Give an example to illustrate the existence of the force of friction.
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ friction.
Fill in the blank.
Sliding friction and rolling friction are types of .................. friction.
Tick the most appropriate answer.
Friction is offered by
Fill in the blank
Rolling friction is ............. than sliding friction.
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?
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: ______.
