A system of pulleys is used to lift a load of 1000 `kg_(wt)`. If the efficiency of the pulley system is 80% and velocity ratio is 20, find the effort required to lift the load.

What is the velocity ratio of the two-pulley system shown?

Write down the relation between the load and the effort of the pulley system.

What is the velocity ratio of the single-pulley system shown?

A pulley system with a velocity ratio 4 is used to lift a load of 300 kgf to a vertical height of 10 m by applying an effort of 100 kgf downwards. ind the efficiency of the pulley system and the work done by the effort.

An inclined plane of length 2 m is used to lift a load of 100 kg_(wt) . The force required to lift the load is 20 kg_(wt) . The height through which the load is lifted is ______ m

If an inclined plane of length 2 m is used to lift a load of 20 N to a height of 1 m, find the effort required to lift the load to that heiht using inclined plane.