Discover how pulleys make lifting easier by spreading out force and changing direction. This science extra explores simple machines in action breaking down how pulleys work and where we use them every ...

In this video, we uncover the fascinating world of mechanical advantage through three simple yet powerful machines , levers, pulleys, and gears. For centuries, humans have used these inventions to ...

Put masses on the pulleys to keep them from shifting around too much. Important Notes. Be careful with the apparatus. The strings occasionally slip out of the pulleys. Script. Weigh the 1-kg mass ...