WRITE DOWN TWO DISADVANTAGES OF FRICTION AND SUGGEST WAYS TO OVERCOME THESE.
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Answered by
53
(i) Friction causes wear and tear of machinery.
(ii) Heat generated because of friction may damage the machinery.
To overcome this machine oil can be used .
(ii) Heat generated because of friction may damage the machinery.
To overcome this machine oil can be used .
Answered by
21
without friction we would not walk or run
we should not play any game
it can be reduced by applying oil etc.
we should not play any game
it can be reduced by applying oil etc.
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