Physics, asked by anupoddar1, 7 months ago

18. How do you know there is friction when a saw cuts through wood?​

Answers

Answered by shobi86
1

Answer:

The magnitude of friction in a wood depends on its surface. ... If the surface is rough, it provides more friction and if it is smooth it provides less friction. So it is friction which helps a saw to cut a wood.

Answered by deeptividhuri10
1

Answer:

The saw and wood gets hot as kinetic energy of saw gets converted into heat energy indicating the presence of friction !!

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