Page 4 - SIMPLE MACHINES
P. 4

A pair of scissors                                                   A pair of pliers
























                                                                        A claw of a hammer taking out a nail


                   A second-class lever: The lever has the load in the middle, between the effort and the
                   fulcrum. In the second class lever, the fulcrum is usually closer to the load, which
                   reduces the force needed to accomplish the work.




















                                       REPRESENTATION OF A SECOND - CLASS LEVER
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