lever fulcrum: the part the lever balances on.lisashrider.tripod.com/.../3_types_levers.pdf2nd class...
TRANSCRIPT
Standard 6i: How levers help us lift heavy objects.
Parts to a lever :
Fulcrum: the part the lever balances on.
Lever
Load: the weight being moved
Force; the direction the object is being moved.
1st Class Lever
Load and effort are opposite sides. Fulcrum is in the middle.
Diagram
Real Life Example
Human Body Example
Teeter Totter
2nd Class LeverLoad is between fulcrum and effort. Usually pivots at one point.
Drawing
Real Life ExampleWheelbarrow
Human Body Example
Human Body Example:Tippy-toes
3rd Class LeverEffort is between the fulcrum and the load.Usually goes with lifting something.
Drawing
Real life example:Tweezers
Human Body Example: Throwing something