Продолжительность: 3:06
Опубликовано: 6 нояб. 2023 г.

The amount of effort that is required to lift the object can be greatly reduced by adding two or more wheels together. As more pulleys are added, you increase ...

1. Cut through the middle of a wire hanger. Use a pair of scissors or wire cutters to cut through the bottom of a wire hanger.

The goal of this project is to measure the force and the work required to lift the same load with different arrangements of pulleys.

Продолжительность: 0:42
Опубликовано: 28 авг. 2024 г.

Продолжительность: 10:16
Опубликовано: 3 февр. 2022 г.

27 нояб. 2019 г. · When strategically put together, your block and tackle pulley system can turn even the heaviest loads into a single-person lift. 11/27/2019 ...

6 дек. 2021 г. · Pulleys are used to change the direction of a force, and multiple pulleys can be used to increase the mechanical advantage of the system. Here ... Why is a pulley use in lifting a heavy weight? Why do more pulleys make things easier to lift? Why can't you use gears/pulleys to lift a heavy object ... Другие результаты с сайта www.quora.com

Продолжительность: 3:48
Опубликовано: 14 июн. 2021 г.