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CGP EDU Academic Team
Published on: September 12, 2026
A large rectangular box ABCD falls vertically with an acceleration a. A toy gun fixed at A and aimed towards C fires a particle P.
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Superimpose an upward acceleration a on the system. The box becomes stationary. The particle has an upward acceleration a and a downward acceleration g. If a = g, the particle has no acceleration, and if a > g, the particle has a net upward acceleration, and if a < g, the particle has a net downward acceleration.
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