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A baseball bat is a third-class lever, with the fulcrum at the end, the force located in the center and the load the point where the ball strikes. Third-class levers require more work to accomplish the job but give the m... More »

The modern baseball bat was designed by John "Bud" Hillerich in 1884. Earlier players made their own bats of various forms, with few restrictions on the size and shape. More »

To swing a baseball bat, bring the bat around at a level position, and transfer your weight from your back foot to your front foot as you complete the swing. These instructions are for right-handed hitters. Reverse the h... More »

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A fulcrum is the fixed support or pivot point for a lever, which is a simple machine used to overcome resistance. The lever is a stiff rod or bar, and the location of the fulcrum determines the class of the lever. Levers... More »

The first class lever uses the fulcrum in between the applied force and load, the second class lever uses the load between the fulcrum and applied force and the third class lever uses the applied force between the fulcru... More »

An output arm is the end of a lever that moves the load up when force is applied to the other end of the lever. The upward force that moves the output arm is the output force. More »

Levers at their most basic are a rigid beam attached to a fulcrum, or pivot point, and are very prevalent in everyday life. For example, doors and scissors as well as far more complicated things such as hydraulic lifts a... More »