Applied Mechanics and Graphic Statics
The torque produced by a force depends on (i) The magnitude of the force (ii) The direction of the force (iii) The point of application of the force relative to origin

Both (i) and (ii)
All (i), (ii) and (iii)
Only (i)
Both (i) and (iii)

ANSWER DOWNLOAD EXAMIANS APP

Applied Mechanics and Graphic Statics
If a set of given forces are such that their free vectors build a closed polygon, then

The resultant force and resultant couple both may not be zero
The resultant force and resultant couple are always zero
The resultant force is zero but resultant couple is not zero
The resultant force is zero but resultant couple may not be zero

ANSWER DOWNLOAD EXAMIANS APP