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Physics - Rotation Question with Solution | TestHub

PhysicsRotationTorque / angular accelerationEasy2 minPYQ_2020

PhysicsEasysingle choice

A uniform meter scale of mass $1 kg$ is placed on a table such that a part of the scale is beyond the edge. If a body of mass $0.25 kg$ is hung at the end of the scale then the minimum length of scale that should lie on the table so that it does not tilt is

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Answer:

Solution:

If the distance from one end is x then

$(50 - x) 1 = x (0.25) = \frac{x}{4}$

$200 - 4 x = x \Rightarrow x = 40 c m$

$∴$ Length on the table $= 100 - 40 = 60 c m$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:RotationSubtopic:Torque / angular acceleration

⏱ 2mℹ️ Source: PYQ_2020

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