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Tension in a string in a vertical circle

This type of question, asked 6 times: 12 May 2024 S2, 19 Apr 2025 S1, 19 Apr 2025 S2, 19 Apr 2026 S2, 14 May 2026 S2, 15 May 2026 S1. All 7 questions below, oldest first.

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  1. Question 1

    12 May 2024 S2

    23
    A body of mass 'mm' attached at the end of a string is just completing the loop in a vertical circle. The apparent weight of the body at the lowest point in its path is (g=g = gravitational acceleration)

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  2. Question 2

    19 Apr 2025 S1

    3
    A stone of mass 1 kg tied to a light inextensible string of length L=53 mL=\frac{5}{3}\text{ }m is rotating in a circular path of radius LL in a vertical plane. If the ratio of maximum tension in the string to the minimum tension in the string is 3 , the speed of the stone at the highest point of the circle is ( g=g = acceleration due to gravity)

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  3. Question 3

    19 Apr 2025 S2

    25
    A weightless thread can bear tension up to 3.7 kg wt. A stone of mass 500 gram is tied to it and revolved in circular path of radius 4 m in vertical plane. Maximum angular velocity of the stone will be (acceleration due to gravity, g=10 m/s2g = 10\text{ }m/s^{2} )

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  4. Question 4

    19 Apr 2026 S2

    104
    A stone of mass 4040 g is tied to a light inextensible string of length 5050 cm and whirled in a vertical circle at the rate of 3030 revolutions per minute. The tension in the string when it is at the lowest point of the circle is (Take gravitational acceleration, g=10 m/s2g = 10\ \mathrm{m/s^2} and π2=10\pi^2 = 10)

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  5. Question 5

    19 Apr 2026 S2

    105
    A body of mass 'm' attached at the end of a string is just completing the loop in a vertical circle. The apparent weight of the body at the lowest point in its path is (gg = gravitational acceleration)

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  6. Question 6

    14 May 2026 S2

    104
    A stone of mass m is tied to a string and is moved in a vertical circle of radius r making 'n' r.p.m. The total tension in the string when the stone is at the lowest point is (gg = acceleration due to gravity)

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  7. Question 7

    15 May 2026 S1

    103
    The maximum and minimum tensions in the string whirling in a circle of radius 2.52.5 m are in the ratio 5:35 : 3 then its velocity is (g=10 m/s2)(g = 10\ \mathrm{m/s^2})

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