Questions

In the situation as shown in figure if acceleration of B is a then find the acceleration of A (B always remains horizontal)

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asin⁡θ

acot⁡θ

2a tan⁡θ

2acos⁡θ

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detailed solution

Correct option is D

Components of accelerations of A and B along normal (n^) to the incline of wedge should be same.⇒ Asin⁡θ=acos⁡2θ−90∘⇒ Asin⁡θ=asin⁡2θ⇒ A=2acos⁡θ

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