Laws of MotionMedium
Question
Two masses of 20 kg and 10 kg are connected by a light string passing over a frictionless pulley. The coefficient of friction between 20 kg mass and the table is 0.25. The minimum mass required to the placed on 20 kg mass to prevent it from moving will be :-
Options
A.5 kg
B.10 kg
C.15 kg
D.20 kg
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