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A uniform rod of mass m and length l is bend to form A right angled triangle as shown in figure locate the centre of mass of rod
A uniform rod of mass m and length l is bend to form A right angled triangle as shown in figure locate the centre of mass of rod

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4 years ago

## Answers : (1)

Vikas TU
14149 Points
```							As the rod is uniform and the three sides of triangle contributes the total length.that is to say that ------->let suppose the sides be x and y respectively.x + y + root(x^2 + y^2) = l …..........(1)and from geometry,1/root3 = x/yy = root3 * x...............(2)solve both eqns first and write x and y first in terms of l.then suppose taking origin at B point we will write their x and y axis com.thus,com for AB rod = > (0,x/2)com for BC rod = > (y/2,0)com for rod AC = > (find its coordinates at half of root(x^2 + y^2)Then apply the formulae:Xcom =(m*x1 + m*x2)/(total mass)
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4 years ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions