Please tell the answer of this question both parts - Physics - Force Work Power and Energy

Question

Please tell the answer of this question both parts

Ujjawal Chauhan · Accepted Answer

Solution:
(a) Force F1 will produce maximum moment about A
(b) This is because the perpendicular distance of line of action of
force F1 is greatest from A
Magnitude of Moment of force about any point = Magnitude of force x
perpendicular distance of line of action of force from the point