Physics - Center of Mass Question with Solution | TestHub

PhysicsCenter of MassCalculate of COMMedium2 minPYQ_2021

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Three bricks each of length $L$ and mass $M$ are arranged as shown from the wall. The distance of the centre of mass of the system from the wall is

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Answer:

Solution:

$x_{1} = \frac{L}{2}, x_{2} = L, x_{3} = \frac{5 L}{4}$ $∴ x_{CM} = \frac{m _{1} x _{1} + m _{2} x _{2} + m _{3} x _{3}}{m _{1} + m _{2} + m _{3}}$ $= \frac{M \times \frac{L}{2} + M \times L + M \times \frac{5 L}{4}}{M + M + M} = \frac{11 L}{12}$

Stream:BITSATSubject:PhysicsTopic:Center of MassSubtopic:Calculate of COM

⏱ 2mℹ️ Source: PYQ_2021

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