The figure shows a system of four pulleys, The upper two pulleys are fixed, and the lower two are movable. How are the load and effort of the pulley system related?

The given figure below shows a block and tackle system of pulleys used to lift a load. How many strands of tackle are supporting the load?

The given figure below shows a block and tackle system of pulleys used to lift a load. Draw arrows to represent tension in each strand.

The given figure below shows a block and tackle system of pulleys used to lift a load. What is the mechanical advantage of the system?

In the given figure below it shows a block and tackle system of pulleys used to lift a load. When load is pulled up by a distance $1 \mathrm{m}$, how far does the effort end move?