A mass of 1 kg is suspended by a thread. It is lifted up with an acceleration of 4.9 ms–2, and then lowered with an acceleration of 4.9 ms–2 . The ratio of tensions in first case to second cases is (g = 9.8 ms–2 )
A mass of 1 kg is suspended by a thread. It is lifted up with an acceleration of 4.9 ms–2, and then lowered with an acceleration of 4.9 ms–2 . The ratio of tensions in first case to second cases is (g = 9.8 ms–2 )
Option 1 -
2 : 1
Option 2 -
1 : 1
Option 3 -
3 : 1
Option 4 -
1 : 3
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1 Answer
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Correct Option - 3
Detailed Solution:T1 = m (g + a)
T2 = m (g - a)
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