Question

Consider following statement
(A) Work done by pseudo force in non-inertial frame itself cannot be positive
(B) Net work done by static friction on the system (consisting surfaces I contact) is always zero
(C) Net work done by Kinetic friction on the system (consisting surfaces in contact) may be positive
(D) Work done by kinetic friction on a body may be positive
Select correct alternative :-

Answer 1

Answer:

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Explanation:

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