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Grouping of one or more wheels
- A pulley is just a grouping of one or more wheels over which a rope (or a sturdy chain for heavier objects) is looped.
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Jan 18, 2022 · What is a Pulley. A pulley is a simple machine consisting of a wheel rotating about its axle. It is constructed by looping a rope or a cable around the groove of the wheel. Therefore, the three main parts of a pulley are the wheel, axle, and rope.
Oct 15, 2020 · A pulley is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim. Pulleys are used singly or in combination to transmit energy and motion. One or more independently rotating pulleys can be used to gain a mechanical advantage, especially for lifting weights.
Jul 4, 2023 · Pulley is a mechanical component used to transfer motion from shaft to belt or rope and vice versa. Pulleys and belts are the most easiest and common mediums of power transmission. A pulley is a type of wheel on a shaft designed to change the direction of a belt and to support the transfer of power between the shaft and belt.
Nov 17, 2023 · A pulley is simply a collection of one or more wheels over which you loop a rope (or chain) to make it easier to lift things. Here's an everyday example: Photo: A pulley mounted on a huge lifting frame to make it safer to use.
6 months ago. A pulley is a simple machine. Are you suggesting a powered machine that uses a gas engine or electric motor to provide the power? Pulleys are also used in powered machines and how they function is the same if they are used by themselves or in conjunction with a motor or engine to provide the power.
- what's the point of a fixed pulley if there's no mechanical advantage?They can change the direction of a force not the actual speed.
- Whoo, first question ok! So looking at the figure in 2:28 in the Simple Machines video specifically,...The 50N of force are not lost. When you pull with a 50N force to move a 100N block, it moves 1/2 the distance. The energy is conserved.
- This is really col but i don't know if I have all the stuff to make this,isn't there an easier way t...why not take a tube like object (a desk lamps adjustable neck) that is suspended in mid air. take a string and tie it round a eraser and then put t...
- Please review, and correct my thoughts: Video 1: Q1. no mechanical advantage. Q2. Can use this, so t...Motorized Pulley Video: The video's way was to connect the end of the string on the right side to the original motor so it reeled in the load from...
- How is the mechanical advantage equal to the number of strings?The tension in the string is the same throughout the pulley system. If you look at the the tension on the strings that are doing the lifting you wi...
A pulley is a wheel on an axle or shaft enabling a taut cable or belt passing over the wheel to move and change direction, or transfer power between itself and a shaft. A sheave or pulley wheel is a pulley using an axle supported by a frame or shell (block) to guide a cable or exert force.
May 17, 2023 · A pulley is a simple machine that consists of a wheel with a groove along its circumference, a rope or cable that runs over the groove, and a load attached to one end of the rope. Pulleys are used to change the direction of force or to multiply force.
