Jensen Bars And Levers
The Information You Need About Levers By Claire Nappier
Levers
Levers Are Basic Forms Of Machines. They Help Us Lift Loads With Less Effort. Even Though This Sounds Simple There Is A Lot Going On For This To Work.
Load, Fulcrum, Effort
A Lever Can Be Described As A Long Rigid Body With Fulcrum Along It's Length.
Load: The Object Your Lifting
Fulcrum: Point At Which The Lever Pivots
Effort: The Force Applied To Make The Object Move
Classes Of Levers
Class 1
Where The Piviot Is Between The Effort And Load.
Class 2
Where The Load Is Between The Fulcrum And Effort.
Class 3
Where The Effort Is Between The Fulcrum And Load.
Questions
When Do We Use Levers?
We Use Levers In So Many Of Our Daily Activities. Some Examples Are Wheelbarrows, Fishing Poles,Staplers,Tweezers,Hammers, Swinging A Baseball Bat, And More.
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