Find the work done by a student in lifting a 0.5kg book from the ground and keeping it on a shelf of height 1.5m.
You lift a heavy book from the floor of the room and keep it in the book shelf having a height 2 m. In this process you take 5 seconds. The work done by you will depend upon
You lift a heavy book from the floor of the room and keep it in the book-shelf having a height 2 m. In this process you take 5 seconds. The work done by you will depend upon