JEE Main Physics question

Work done by the force of friction

(A)Can be zeroCorrect
(B)Can be positiveCorrect
(C)Can be negativeCorrect
(D)Any of theseCorrect

Answer: (A),(B),(C),(D)

Solution

Friction can do zero work (e.g., static friction preventing motion where there is no displacement), positive work (e.g., static friction accelerating a body placed on an accelerating

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-153830