The dagram shewa unom ter of lengh 120 m and weight W The bar in phvoted ta peint 40om m he let dof he ber A ad of isspended fom he htand end ohe be. Adwrd fe F edhe lehand end of he ber ptin equlrum 40m 120 cm plvet ber's welght What i the magitde of orce F7 BW

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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One of the mcq question I got wrong....the answer should be c (3W/2)

7 The diagram shows a uniform bar of length 120 am and weight W. The bar is pivoted at a point
40 cm from he let end of the bar.
A load of is Uspended from the righthand end of the ber.
A dowward foroe Fis applied to the left-hand end of the bar to keep tin equlibrium.
40 cm
60 cm
120 cm
pivot
bar's weight
What is the magtude of force F7
A
B W
O 2w
Transcribed Image Text:7 The diagram shows a uniform bar of length 120 am and weight W. The bar is pivoted at a point 40 cm from he let end of the bar. A load of is Uspended from the righthand end of the ber. A dowward foroe Fis applied to the left-hand end of the bar to keep tin equlibrium. 40 cm 60 cm 120 cm pivot bar's weight What is the magtude of force F7 A B W O 2w
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