Two masses 2 kg and 3 kg are attached to the end of the str…

Physics Newton's Laws of Motion Motion of Connected Bodies Single Correct MCQ

Published on: September 12, 2026

Two masses 2 kg and 3 kg are attached to the end of the string passed over a pulley fixed at the top. The tension and acceleration are

\(\frac{7g}{8}, \frac{g}{8}\)

\(\frac{2 \lg}{8} \cdot \frac{\sigma}{8}\)

\(\frac{21g}{8} \cdot \frac{g}{5}\)

\(\frac{12g}{5}, \frac{g}{5}\)

Text Solution

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The correct answer is:

\(T = \frac{2 m_1 m_2}{m_1 + m_2} g = \frac{2 \times 2 \times 3}{2 + 3} g = \frac{12}{5} g\)

\(a = \left(\frac{m_2 - m_1}{m_1 + m_2}\right) \quad g = \left(\frac{3 - 2}{3 + 2}\right) \quad g = \frac{1}{5}\)

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