A mass of 6 kg is tied at one of the ends of a rod and whirled along a verticalcircle. Then what is difference between the tension at upper point and lower point of the rod?
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The addition of the centripetal force and weight of the stone
If particle has speed V in circular motion then,
T=mg=(
r
mv
2
)
orT=mg+(
r
mv
2
)
and hence tension in the string at the lowest point is equal to weight added to centripetal force required.
Follow the given picture
The addition of the centripetal force and weight of the stone
If particle has speed V in circular motion then,
T=mg=(
r
mv
2
)
orT=mg+(
r
mv
2
)
and hence tension in the string at the lowest point is equal to weight added to centripetal force required.
Follow the given picture
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