Asked by John
a beam 1.4m long balanced horizontally on a knife edge at its mid point. if a mass of 50g hung at one end of the beam balanced it when the knife edge is placed 0.5m from the same end.calculate the mass of the beam in grams
Answers
Answered by
bobpursley
sum of moments is zero.
50*.5-M(.7-.5)=0
M= 25/.2=125 grams.
50*.5-M(.7-.5)=0
M= 25/.2=125 grams.
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