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Friday, 5 May 2017

what is a simple machine?

A machine is a system that changes the relationship Between effort (the force applied) and load (the weight Lifted or moves) 
Machines make our lives easier.
Machines help us to lift,push,pull,turn,cut and join things
Wheels,rollers,levers,gears and pulleys all make it easier to move a heavy load by reducing friction or magnifying forces
because it help u with you life 
we got to try and lift the car 
why do machine help us






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