1.

A block of mass m₁, placed on an inclined smooth plane is connected by a light string passing over a smooth pulley to mass m₂, which moves vertically downwards as shown in the below figure. The tension in the string is

A. m₁/m₂
B. m₁. g. sin α
C. m₁.m₂/m₁ + m₂
D. m₁. m₂.g (1 + sin α)/(m₁ + m₂)
Answer» E.


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