Q26 of 55 Page 361

A rowing boat upstream is at rest with respect to the shore. Is he doing work?

Yes the boat is doing work against the river current but there is no work done by boat against shore because there is no displacement taking place with respect to shore.


More from this chapter

All 55 →
24

When do you apply more power-when you lift a pen or when you lift a book?

 25

Is any work done by a body moving along a circular path?

 27

You pay a coolie for carrying your luggage. Does he really do any work?

 1

When a coil spring is compressed, the work is done on the spring. The elastic potential energy :