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4.3 MA

Part A

QuestionAnswer
What is force Force is the action of pushing or pulling on a object
What is mass The amount of matter in a object
What is distance The magnitude or size of displacement between two positions
3 Classes First Class (Fulcrum in the middle) Second class (Load in the middle) Third class (Effort in the middle)
What is mechanical advantage Mechanical advantage is the action of reducing the force required to accomplish work
What is ideal mechanical advantage IDEAL mechanical advantage is the advantage of a machine with no loss of work caused by friction between moving parts
Examples of simple machines Nutcracker, Wrench, Ramp, Stairs
Formula for gravity G = N /kg
Formula for work W = Fs
Formula for mechanical advantge MA = output/input
Formula for ideal mechanical advantage IMA = output distance/input distance
Parts of a lever Fulcrum, Effort (Input force), Load (output force)
Created by: summrs
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