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OpenStudy (anonymous):
Please help!! If the output arm of a first-class lever is 1.5 m and the IMA is 2.5, how long is the input arm?
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OpenStudy (anonymous):
This kind of lever has the applied force put on one arm to move the object on the other with the fulcrum in between. The mechanical advantage is equal to the ratio of the length of the arm with the applied force to the length of the arm with the weight. MA = applied arm length/resistance arm length
OpenStudy (anonymous):
IMA = input/output in questions terms
OpenStudy (anonymous):
so to find the input I need to multiply the IMA by the output?
OpenStudy (anonymous):
yes
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