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 ...
When effort is used to push down on one end of the lever, the load on the other end goes up. This makes it easier to lift heavy objects because you can use the lever to help with the hard work.
A lever mechanism is made up of a length of wood, metal or other material. It turns around or is supported by a pivot point, called a fulcrum. If we put the load we want to lift at one end of the ...
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