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Simple Machines
Machines make work easier by changing the size of the force applied to it.
Simple machines help an object go father at a faster rate.
Work I put is always greater than work output because of friction. The more friction there is the less effectively power can be delivered.
If you apply force on an object in the opposite direction, then the object will change direction.
Lever
Pulley
Wheel and Axle
Inclined plane
Wedge
Screw
The inclined plane would take the least amount of effort because you would not have to apply any extra physical force.
W=FxD
Work= force multiplied by distance