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It explains how the position of the fulcrum affects the amount of force needed to lift a load and demonstrates various applications of levers in tools such as shovels, hammers, scissors, and ...

In the following activity you're asked to lift one end of a relatively small obelisk three feet. You have a lever, a movable fulcrum, weights, and supporting stones at your disposal. Your goal is ...

levers use mechanical advantage to make lifting or applying pressure easier the three main parts of a lever are the effort (input force), fulcrum (pivot point), and load (output force) there are ...

The distance between the effort and fulcrum is 6 m. Therefore, the mechanical advantage = 6 ÷ 2 = 3 or 3:1 The person will find this load three times easier to lift. In both examples the ...