Question

If the displacement of the block is 5 m, the work done by force applied is (coefficient of friction between block and surface is \(\frac{1}{4})\)

(1) \(500\sqrt{2}\ J\)

(2) 250 J

(3) 100 J

(4) 500 J

Answer 1

Correct option is : (4) 500 J

W = F·S

\( = 100\times 5\)

= 500 J