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AP EAMCET · PHYSICS · Center of Mass Momentum and Collision

In the figure shown, the blocks have equal masses. Friction, mass of the string and the mass of the pulley are negligible. The magnitude of the acceleration of the centre of mass of the two blocks is (Acceleration due to gravity \(=g\)).

  1. A \(\left(\frac{\sqrt{3}-1}{\sqrt{2}}\right) g\)
  2. B \(\frac{g}{2}\)
  3. C \((\sqrt{3}-1) g\)
  4. D \(\left(\frac{\sqrt{3}-1}{4 \sqrt{2}}\right) g\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\left(\frac{\sqrt{3}-1}{4 \sqrt{2}}\right) g\)

Step-by-step Solution

Detailed explanation

For a pulley and block system on a smooth double inclined plane as shown below Force equation for both the blocks, \(\Rightarrow \quad m g \cos 30^{\circ}-T=m a\) ...(i) \(\Rightarrow \quad T-m g \cos 60^{\circ}=m a\) ...(ii) From above equation we get,…