Figure shows a system of two blocks connected by a spring, kept on a frictionless surface. Block A is in equilibrium. Suddenly supporting vertical wall PQ is removed.

Engineering

Physics

Newtons Second Law of Motion

Question

Initial acceleration of block A is $\frac{F}{3 m}$

Initial acceleration of blocks A is $\frac{F}{m}$

Initial acceleration of blocks B is $\frac{F}{2 m}$

Initial acceleration of blocks B is zero

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F = kx

⇒ a
kx = 2 ma
∴ a = F/2 m