Simple Machines - They perform a work in a single step or stage. , Load - A heavy object that is being carried or lifted. , Mechanisms - They transmit or transforms force and motion. , Block and tackle (polipasto) - Set of pulleys connected by a rope used to lift loads. , Fulcrum - Point where the bar of a lever is supported. , Gears (engranajes) - Toothed wheels engaged that turns transmitting motion. , Dynamometer - Device used to measure forces., Newtons - Force is measure in __________. , Force - Effort that should be applied. , Reciprocating movement - A repetitive up-and-down or back-and-forth linear motion, Linear motion - One-dimensional motion along a straight. , Rotary motion - Change in position around a fixed axis (circular path). ,

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