Basic Maths and Units and DimensionsHard
Question
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
Options
A.F1/m
B.F2F3/mF1
C.(F2 - F3)/m
D.F2/m
Solution
Resultant of F2 and F3 is of magnitude F1.
Here only magnitude required else direction will be reverse of the F1
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