When forces F1,F2,F3 are acting on a particle of mass m such that F2 and F3 are mutually perpendicular, then the particle remains stationary. If the force F1 is now removed, then the acceleration of the particle is
A
F1/m
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B
F2/m
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C
(F2−F3)/m
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D
F2F3/mF1
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Solution
The correct option is AF1/m Given, the particle remains stationary under forces F1,F2,F3 and F2 and ,F3 are mutually perpendicular
For equilibrium of system, F1=√F22+F23, as θ=90∘
In the absence of force F1,
Acceleration =Net forceMass
Acceleration =√F22+F23m=F1m
Final answer: (a)