Question

Two fixed frictionless inclined plane making the angle 30° and 60° with the vertical are shown in the figure . Two blocks A and B are placed on the two planes . what is the relative vertical acceleration of A with Respect to B ​

Answer 1

Explanation:- Force applying on the block

• F = mgsin¢
• Or, mgsin¢ = ma
• ∴ a = gsin¢

Where, a is along the inclined plane .

• ∴Vertical component of acceleration is gsin²¢
• ∴ Ralative vertical acceleration of A with respect to B is
• g(sin²60° - sin²30°)
• g/2 = 4.9m/s² [in vertical direction]

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Answer 2

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