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Simple Machines and Levers - Coggle Diagram
Simple Machines and Levers
The six types of simple machines
Inclined Plane
Examples:
Escalators, Staircase, Ramp
Lever
Examples:
See-saw, Broom
Screw
Examples:
Light bulb, Bottle cap, Jar lid
Wheel and Axle
Examples:
Door knob, Screwdriver
Wedge
Examples:
Saws, Scissors, Knives
Pulley
Examples:
Flagpoles, Elevators
Types of Levers
Second Class Lever
Load
between fulcrum and effort
Examples:
a wheelbarrow, a bottle opener
Third Class Lever
Effort
between fulcrum and load
Examples:
a fishing rod, a broom, a baseball bat
First Class Lever
Fulcrum
between load and effort
Examples:
Pliers, Scissors, a Crow bar
Principles of Moment
Sum of anticlockwise moments = Sum of clockwise moments
D₁F₁ = D₂F₂
Mechanical Advantage
"Mechanical advantage is a measure of the force amplification achieved by using a machine or tool"
Mechanical Advantage = Output Force/Input Force