Q. The work done in sliding a block of weight of 50 kg up a plane inclined at an angle of 30? to the horizontal so that the block is lifted through 1 m ( (Solved)
1. More than 50 kgm
2. 50 kgm
3. Less than 5 kgm
4. 15 kgm only
5. None of the above
- a. More than 50 kgm