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A uniform metre stick of mass 200g is suspended from the ceiling through two vertical strings of equal lengths fixed at the ends. A small object of mass 20g is placed on the estick at a distance of 70cm from the left end. Find the tensions in the two strings.

A uniform metre stick of mass 200g is suspended from the ceiling through two vertical strings of equal lengths fixed at the ends. A small object of mass 20g is placed on the estick at a distance of 70cm from the left end. Find the tensions in the two strings.

Grade:11

1 Answers

Arun
25758 Points
3 years ago
 

Dear

 

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T1+T2 =220g

moment balance at point B

T1 *100 -200g *50 -20g *30 =0

T1 =106g

T2=220-T1= 114g

 

Regards

 

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