You lift a heavy book from the floor of the room and keep it in the bookshelf having a height of 2 m. This process takes 5 seconds. The work done by you will depend on
1.Mass of the book and the time taken
2.Weight of the book and height of the bookshelf
3.Height of the bookshelf and the time taken
4.Mass of the book, height of the bookshelf and the time taken
Answer:2
Posted Date:-2021-12-08 04:30:25