Question

When a car moves is the work done by engine or friction?

Answer 1

When a car moves it is carried out by engine. That is engine starts and rotate the wheels which in turn moves the car. The tire moves due to friction with land . So we can say that it moves with the helps of both.

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Answer 2

Hi!!

it's done by only engine ! .

you will understand it if you know definition of work

Work- The force produced to move an object

Friction - Force produced to stop an object .

Now we understand both are different

so work is done my Engine only

Hope this helps

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