PPT-Levers and Pulleys

Not so simple machines Just think Could you lift your science teacher in the air Keep Thinking This means you dont have to write this Building a house Lifting a car Building the pyramids. 1 LAGGING FOR PULLEYS AGGINGAPABILITIES Baldor•dodge conveyor pulleys can be provided with high quality lagging designed to ensure maximum belt and pulley life in tough applications. Baldor November 24. th. -25. th. . Goal:. I will be able to explain the relationship between mass, force and distance traveled. . I will be able to describe the difference between different simple machines. . Tried to take a super heavy object up a flight of stairs ? WHAT HAPPENED. Example. Have you ever . Tried to cut a cake with out a knife?. Example. Have you ever . tried to unscrew a nut, bolt, or screw from something with your bare hands and discovered that it was just too tight to loosen even if you had a good grip? . What is a lever?. The lever is a very simple and common machine that can be . used to . reduce the effort that is needed to get a job . done.. A . lever is usually a long, rigid object that moves around a turning point called a . 1 LAGGING FOR PULLEYS AGGINGAPABILITIES Baldor•dodge conveyor pulleys can be provided with high quality lagging designed to ensure maximum belt and pulley life in tough applications. Baldor and. Mechanisms. Pulleys. A pulley wheel is a mechanism which helps move or lift objects.. . pulley. Exercise machine. Pulleys. Parts of a Pulley System. Direction of Force. Notice that the pulleys change the direction of the applied force. . 1 Dodge Conveyor Pulleys ING PULLEYS Integral hubs for increased pulley load carrying Patent-pending “Spider” construction supports the wings at the point furthest from Angled gussets expel FACULTY OF ENGINEERING. DEPARTMENT OF MECHATRONICS ENGINEERING. STAIR CLIMBING WHEELCHAIR. Prepared by: . . supervisor: . Dua’a. . Dmadi. . WORK. Mechanical Advantage. Force. Effort. Efficiency. 1. Goals. Analyze the simple machines . qualit. atively and . quant. itatively in terms of force, distance, work and mechanical advantage. Be able to calculate mechanical advantage. Levers. A . lever. is a tool that people use to make work easier. . Levers are used to lift things or overcome resistance. . Levers give us an . advantage. by making work easier. . Vocabulary. The . What is a Pulley?. Is a wheel with a grooved rim in which a rope can run to change the direction of the pull (force) that lifts the load.. How to Build Your Pulley. Use the following steps:. Clip a binder clip to the end of a half-meter stick.. SPH4C COLLEGE PHYSICS MECHANICAL SYSTEMS  Torque & Levers ( P .81-86) Torque & Levers Torque & Levers Torque & Levers Torque & Levers Torque & Levers Torque & Levers How do you measure mechanical efficiency? Energy, Work and Mechanical Efficiency Mechanical Efficiency Mechanical efficiency is a comparison of the useful work or energy that a mechanical system produces to the work or energy that was put into the system. Toll Free: 800.334.REMA (7362)Phone: 706.752.4000Fax: 706.752.4015www.rematiptop.com Toll Free: 800.334.REMA (7362)Phone: 706.752.4000Fax: 706.752.4015www.rematiptop.com REMA TIP TOP Metal Primers