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What are the two principle parts of all levers?
The two principle parts of all levers are the fulcrum, which is the point or axis where the lever pivots, and the effort force that is applied to move the lever.
Do all levers have a mechanical advantage?
No, not all levers have a mechanical advantage. The mechanical advantage of a lever depends on the specific positions of the effort, load, and fulcrum. Some levers may have a mechanical advantage of less than 1, resulting in a decrease in force but an increase in distance.
Who said levers all the way to the top?
The phrase "levers all the way to the top" is commonly attributed to Warren Buffett, who uses it to describe the practice of using debt to amplify investment returns.
All levers have a rigid arm that turns around a point called the what?
Fulcrum
How are levers grouped?
Levers are grouped into three classes based on the relative position of the effort, load, and fulcrum. Class 1 levers have the effort and load on opposite sides of the fulcrum, Class 2 levers have the load between the effort and fulcrum, and Class 3 levers have the effort between the load and fulcrum.
