Q.

A man is standing on a railway platform with a 5 kg box in his hand. How much work is done by the man while he waits for the train for ten minutes?

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

100 J 

b

200 J 

c

0 J 

d

50 J 

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

  • Work done is given by : 
    Work done = Force x Displacement in the direction of force
  • When a person holds a box while waiting for a train for 10 minutes, he does not move from his position.
  • Therefore, the displacement is zero.

As a result, the work done by the man while holding the box will be 0 J.
 

Watch 3-min video & get full concept clarity

hear from our champions

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon