Rotational MotionHard
Question
In an experiment with a beam balance an unknown mass m is balanced by two known masses of 16kg and 4 kg as shown in figure. The value of the unknown mass m is : -
Options
A.10 kg
B.6 kg
C.8 kg
D.12 kg
Solution
16l1 = ml2 ⇒ 
⇒ ml1 = 4l2 ⇒ 
∴
⇒ 
∴ m = 
× 2l1 = 8kg
⇒ ml1 = 4l2 ⇒ ∴
⇒ ∴ m = × 2l1 = 8kgCreate a free account to view solution
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