A lever is an adaptation of a stick or tree branch. A pulley is an adaptation of a wheel.
pulley
Single Pulley
A lever and a pulley are different. They are both simple machines that have been around for over two thousand years and described in detail by a Greek named Archimedes.
lever, pulley, and wheel and axle
Lever, Slope, Screw and Pulley
there are two kinds of pulleys. A movable pulley and a fixed pulley. But a wheel and axle have a lever and a inclined plane. [someone] :]
there are two kinds of pulleys. A movable pulley and a fixed pulley. But a wheel and axle have a lever and a inclined plane. [someone] :]
maybe the pulley but not the lever he invented the pulley but not the lever
what is
No, The Greek Scientist who founded the Lever and Pulley is Archimedes.
A lever is a simple machine consisting of a rigid rod or beam that pivots around a fixed point called a fulcrum to multiply force. A pulley is a simple machine that consists of a wheel with a groove around its circumference and a rope or belt that runs along the groove to lift or move objects. Essentially, levers are used to amplify force, while pulleys are used to change the direction of a force.
A pulley is a class 1 lever because the fulcrum (pivot point) is between the load (object being lifted) and the effort (force applied to lift the load).
Pliers are a lever
wedge lever
lever at crank, connected by chain to lever at rear wheel
No, a pulley is not a third class lever. A pulley is a simple machine that consists of a wheel with a groove around its circumference, used for lifting or moving objects. Third class levers have the input force between the fulcrum and the output force.
A pulley has an axle or pivot just like a lever has a fulcrum. Just as a lever tilts across a fulcrum and the fulcrum bears all the weight, a pulley rotates around its pivot/axle the same way. So in essence, a pulley is a lever wrapped into a wheel, with its fulcrum in the center.