Explains how simple machines, such as levers, pulleys, wheels and axles, and inclined planes, work together to make tasks easier by trading force for distance or vice versa. It illustrates the concept ...

Pulley systems are simple machines that make lifting heavy objects ... A single pulley changes the direction of force, making pulling down easier than lifting upwards. Single pulley systems ...

A double pulley, with a simple pull of the rope ... MR SIMPLINE: "Technically they are simple machines! These marvels transform a turning force into a forward force oooh! Please try not to ...