Therefore the mechanical advantage of a block and tackle is 4.

Most are levers which give the user a mechanical advantage.

It makes use of a new type of mechanical advantage.

This provides a simple formula for the mechanical advantage of the system.

Leverage is the mechanical advantage provided by use of a lever.

He discovered the principle of mechanical advantage in the lever.

The purchase of a tackle refers to its mechanical advantage.

The longer the rod, the greater the mechanical advantage in casting.

These brakes offer a higher mechanical advantage, and result in better braking.

A compound lever system is used to increase the mechanical advantage.