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AB is a quarter of a smooth horizontal circular track of radius R,A particle P of mass m moves along the track from A to B under the action of following forces: `vec(F_(1)`=F (always towards y-axis) `vec(F_(2))`=F (always towards point B) `vec(F_(3))`=F (always along the tangent to path AB) `vec(F_(4))`=F (always towards x-axis) `{:(ColumnI," ",ColumnII),((A) "Work done by" vec(F_(1))," ",(P) sqrt(2)FR),((B) "Work done by" vec(F_(3))," ",(Q)FR),((C) "Work done by" vec(F_(3))," ",(R) (piFR)/(2)),((D) "Work done by" vec(F_(4))," ",(S) (2FR)/(pi)):}` Select correct alternative :-A. A-Q,B-P,C-S,D-QB. A-Q,B-P,C-S,D-PC. A-Q,B-P,C-R,D-QD. A-P,B-Q,C-R,D-S |
| Answer» Correct Answer - A | |