Question

two forces of 10n and 6n act upon a body the direction of the forces are unknown the resultant force on the body maybe

Answer 1

Hii

if forces are in same direction then resultant force on the body is (10n+6n)16n

if fiorces in oppsite direction then resultant force on the body is(10n-6n) 4n

Answer 2

The maximum and the minimum force acting depends on the resultant force determined by the angle at which the forces applied.  When the force is maximum value of cos theta will be +1 and when the force is minimum value of cos theta will be - 1.

Hence in the given question the values of force are given as 10 and 6 Newton maximum value of f will be 16 Newton and minimum will be for Newton so the only option we have here is 15 Newton.

F minimum <  15 N <  F maximum