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A force F 1 =Aj is applied to a point whose radius vector r 1 =ai,while a force F 2 =Bi is applied to the point whose position vector r 2 =bj.Both radius vectors are determined relative to the origin of co-ordinates O,i andj are the unit vectors of the x and y axes,aA,bB are constants.Find the arm l of the rsultant force relative to the pointO.

A force F1=Aj is applied to a point whose radius vector r1=ai,while a force F2=Bi is applied to the point whose position vector r2=bj.Both radius vectors are determined relative to the origin of co-ordinates O,i andj are the unit vectors of the x and y axes,aA,bB are constants.Find the arm l of the rsultant force relative to the pointO.

Grade:12

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
12 years ago

Dear student,

The arm of the resultant force will be mod(r2-r1)

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Sagar Singh

B.Tech, IIT Delhi

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