Question

Friction can :-
a) reduce , the effectiency of the machine
b) produce heat
c)wears off of the machine parts
d) all of the above



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Answer 1

Answer:

Friction can :-

d) all of the above

Answer 2

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HERE IS YOUR ANSWER

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Friction can :-

a) reduce , the effectiency of the machine

b) produce heat

c)wears off of the machine parts

d) all of the above

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Friction can:-

Friction can:-option (d) All of the above.