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CGP EDU Academic Team
Published on: September 12, 2026
Two masses \(m_1 = 5 \, \mathrm{kg}\) and \(m_{2} = 4.8 \, kg\) tied to a string are hanging over a light frictionless pulley. What is the acceleration of the masses when they are free to move \(\left(g = 9.8 \, m/s^{2}\right)\)
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Verified by ExpertsThe correct answer is:
A
\(a = \left[ \frac{m_1 - m_2}{m_1 + m_2} \right] g = \left[ \frac{5 - 4.8}{5 + 4.8} \right] \times 9.8 = 0.2 \, m/s^2\)
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