Q:

What class lever is a rake?

A:

Quick Answer

A rake is third-class lever. The pivot point, called a fulcrum, is at one end, while the load is on the other end. The force is in between. Shovels, spears, elbows and knees are other examples of third-class levers.

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Full Answer

Levers that have the fulcrum between the force and the load are known as first-class levers. Examples include pliers, seesaws and crowbars. Levers that have the fulcrum and the force at opposite ends of the arm with the load in between are second-class levers. These include wheelbarrows, nutcrackers and garlic presses. All levers amplify the input force to release a greater output force. Levers are identified as the earliest simple machines.

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