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With what minimum acceleration should the wedge move horizontally for which the block B falls freely Take $g = 10 m / s^{2}$

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17.32 m/s2

5.77 m/s2

5 m/s2

10 m/s2

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detailed solution

Correct option is A

The wedge must move to the right. From the frame of the wedge,N+masinθ−mgcosθ = 0∴ masinθ−mgcosθ = 0⇒ a = gcotθ = 10cot300 = 103m/s2 = 17.32m/s2

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With what minimum acceleration should the wedge move horizontally for which the block B falls freely Take g = 10m/s2

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With what minimum acceleration should the wedge move horizontally for which the block B falls freely Take $g = 10 m / s^{2}$