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Grade: 12

                        

3 rods each of mass m and lenght l are joined together to form equilateral triangle.find moment of inertia

2 years ago

Answers : (1)

Arun
24742 Points
							
Dear student
 
I=I+I+I 
Now
I=(IcM)+md² 
=ML²/12+M(L/2√3)² 
=ML²/12+ML²/4×3 
=ML²/12+ML²/12 
=2ML²/12 
=ML²/6 
=3×ML²/6 
=ML²/2
 
Regards
Arun (AskIITians Forum Expert)
2 years ago
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