In an experiment with a massless beam balance an unknown mass $m$ is balanced by two known masses of 16 kg and 4 kg as shown in figure. Find the value of the unknown mass m (in kg).

Question

In an experiment with a massless beam balance an unknown mass m is balanced by two known masses of 16 kg and 4 kg as shown in figure. Find the value of the unknown mass m (in kg).

TestHub · Accepted Answer

16 ℓ 1 ​ = m ℓ 2 ​ m ℓ 1 ​ = 4 ℓ 2 ​ m 16 ​ = 4 m ​ ∴ m = 8 kg

Physics - Rotation Question with Solution | TestHub

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