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ELEVATOR - DIY kit for Students



An elevator is a modern engineering use of a pulley system that performs much like the raising of a large stone for pyramid building. Without the use of pulleys, an elevator would require a large motor to pull the cable straight up. Instead of using a large motor, some elevators use a large weight that takes advantage of gravity to help raise the elevator.





IMPORTANT PARTS:


BASE

LEGS & LOCK

WOODEN BEAM

ELEVATOR BOX PARTS

PULLEY

AXLE

SPACER

ELEVATOR HOOK THREAD


WORKING :


Case 1 : (When we rotate pulley clockwise)


This is a lift based on mechanical effort. As we rotate pulley handle clockwise it rotates whole system. As a result our pulley lift science project moves upward.

Here, with rotation of pulley all bobbins also starts to rotate. Which eventually moves lift in upward direction.


Case 1 : (When we rotate pulley anticlockwise)


As we rotate pulley handle anticlockwise it rotates all bobbins in anti clock wise direction. This eventually moves lift in down direction. Elevators rely on the principles of physics in order to remain in motion. When an elevator car moves, the forces of gravity, weight, and relative motion help to keep its passengers at a stable rate.

Pulleys are made by looping a rope over one or more wheels. They are often used to lift heavy objects: pulling down on one end of the rope creates an upward pull at the other end. Looping the rope over more wheels increases the upward force. Using two wheels means you can lift something twice as heavy using the same force.

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