How do u do this problem? part b of #5

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asked Jul 22, 2019 75.3k views

2 votes

How do u do this problem? part b of #5

Physics
middle-school

Brett DiDonato asked

by Brett DiDonato

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2 Answers

5 votes

Come on now ! If you were lifting the box with a frictionless lever or pulley and the mechanical advantage is 6, I'm sure you could whip it out immediately. Why does the inclined plane induce amnesia ?

Jfn answered Jul 25, 2019

by Jfn

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3 votes

force = mgsin theta

so =480×(1/6)

so answer is 80 Newton !!

Nikratio answered Jul 28, 2019

by Nikratio

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