Rather than use a regular hammer, we used pulleys and a rope to lift and drop a heavy weight onto the rock. Using a pulley system meant we needed a longer piece of rope in order to raise the ...

Pulleys are used to help lift many things. Lifts, window blinds and cranes often use pulley systems. Let’s change gear to look at gears. Gears are also wheels attached to a fixed axle ...

Whether they be on skis, a snowboard, or some other means, getting down usually involves using gravity ... In its most simple form, a ski lift is two pulleys connected by a steel cable.