iii)What is the work done by a porter carrying a load on his head and moving on a level platform ?
Answers
Answered by
2
The work done is zero.
see the attachment above
Attachments:
Answered by
1
Answer:
Work done is zero because the porter carrying a load on his head at perpenducular direction so
Work done=Force×Cos theta
W=Cos90°
so work is zero
may be this is helpful for youuu...
Similar questions