question_answer

A block of mass 0.2 kg is suspended from the ceiling by a light string. A second block of mass 0.3 kg is suspended from the first block through another string. Find the tensions in the two strings. Take \[\text{g}=\text{1}0\text{ m}/{{\text{s}}^{\text{2}}}\].

Answer:

Draw F.B.D. of B. \[0.3\times 10=3N\] Draw F.B.D. of A. \[\Rightarrow {{T}_{A}}={{T}_{B}}+2N=3+2=5N.\]