A body of mass 40kg is being dragged along the floor by a rope inclined at 60 degrees to the horizontal. The frictional force between the box and the floor is 100N and the tension on the rope is 300N. How much work is done by dragging the box for a distance of 4m

Similar Questions

A sounding tuning fork is brought near the open end of a pipe containing air and the loudness of the...

Which of the following statements correctly defines a simple machine? a device ...

A ball, P, is released from the roof of a building at the same time as another ball, Q, is thrown ve...

An object weighs 30N in air and 21N in water. The weight of the object when completely immersed in a...

The phenomenon of light bending round an obstacle is? ...

Which of the following statements about evaporation and boiling is FALSE? ...

The mass on a loaded spiral spring oscillates vertically between two extreme positions P and R equid...

Which of the following electromagnetic waves is most energetic?  ...

A working electric motor takes a current of 1.5 A when the p.d across it is 250V. If its efficiency ...

The two person of a body undergoing a uniformly accelerated motion are (10s, 10ms-1) and (30s, 50ms-...