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Intro to Torque

A body of mas...

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A body of mass m crosses the topmost point of a vertical circle with critical speed. What is the torque about the centre at this instant?

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Q. A body crosses the topmost point of a vertical circle with critical speed. What will be its centripetal acceleration when the string is horizontal. :-

Q. A body crossed the topmost point of a vertical circle with a critical speed. What will be the acceleration when the string is horizontal?

Q. A body crosses the topmost point of a vertical circle at critical speed. What will be its centripetal acceleration (in

{m/s}^{2}

) when the string becomes horizontal?

Q. A body crosses the topmost point of a vertical circle at critical speed. What will be its centripetal acceleration (in

{m/s}^{2}

) when the string becomes horizontal?

Q. A body of mass m is rotated in a vertical circle with help of light string such that velocity of body at a point is equal to critical velocity at that point. If

T_{1}, T_{2}

be the tensions in the string when the body is crossing the highest and the lowest points of vertical circle respectively, then which of the following relation is correct?

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