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Grade: 12th pass
        
 A small stone of mass 50 g is rotated in a vertical circle of radius 40 cm.What is the minimum tension in the string at the lowest point? 
2 months ago

Answers : (1)

Pratap
askIITians Faculty
33 Points
							Look for minimum speed at the lowest point required for the motion of stone in verticle circle. For minimum tension at the lowest point, add the weight of the stone and the centrifugal force here i.e. T = mg +(mv^2)/r, you need to find v.
						
2 months ago
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