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3 balls of masses 1,2 and 3 kg are placed at the vertices of the equilateral triangle of length 1 cm find the centre of mass if the reference Axis passes through one of the median

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3 years ago

Arun
25768 Points
```							 Let the trangle ABC  is placed in such a way in the co ord plane so that the mid point of the side BC is the origin point A=1kg point B=2kg point C=3kg hence the X co ord is=[(2×(-1/2)+(3×1/2)+(1×0)]/(2+3+1)=1/12 The Y co ord is=[(2×0)+(3×0)+(1×√3/2)]/(1+2+3)=√3/12 Hence the COM is At=( 1/12  , √3/12)
```
3 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