A man isswimming against current such that his position with respect to the river bank remains unaltered.Is the man doing any work ?

A man isswimming against current such that his position with respect t

1.	A man isswimming against current such that his position with respect to the river bank remains unaltered.Is the man doing any work ?
Answer» <html><body><p></p>Solution :The relative <a href="https://interviewquestions.tuteehub.com/tag/displacement-956081" style="font-weight:bold;" target="_blank" title="Click to know more about DISPLACEMENT">DISPLACEMENT</a> of the man with respect to the river <a href="https://interviewquestions.tuteehub.com/tag/bank-13461" style="font-weight:bold;" target="_blank" title="Click to know more about BANK">BANK</a> is zero . So, no <a href="https://interviewquestions.tuteehub.com/tag/work-20377" style="font-weight:bold;" target="_blank" title="Click to know more about WORK">WORK</a> is done by the man. The resistive force of river water just <a href="https://interviewquestions.tuteehub.com/tag/balances-891822" style="font-weight:bold;" target="_blank" title="Click to know more about BALANCES">BALANCES</a> the force applied by the man . So, this case is similar to a force applied against static <a href="https://interviewquestions.tuteehub.com/tag/friction-21545" style="font-weight:bold;" target="_blank" title="Click to know more about FRICTION">FRICTION</a>.</body></html>