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Simple Machines & Levers - Coggle Diagram
Simple Machines & Levers
Simple Machines
Make work easier
Reduce effort needed
Change direction of force
Types of Simple Machines
Lever
Pulley
Inclined plane
Wheel & axle
Screw
Wedge
Levers
Rigid bar that rotates
Has fulcrum (pivot point)
Effort = force applied
Load = object being moved
Types of Levers
1st class → fulcrum in middle (e.g. seesaw)
2nd class → load in middle (e.g. wheelbarrow)
3rd class → effort in middle (e.g. tweezers)
Mechanical Advantage
Makes work easier
Less effort needed to lift load
What I learnt
Different types of simple machines
How levers work
Parts of a lever (fulcrum, load, effort)
How machines reduce effort