6 The diagram shows a non-uniform beam of weight 120 N, pivoted at one end. The beam is kept in equilibrium by force F. pivot. 20 cm What is the value of force

6 The diagram shows a non-uniform beam of weight 120 N, pivoted at one end. The beam is kept in
equilibrium by force F.
pivot.
20 cm
What is the value of force F?
A 30N
B 40N
weight
120N
60 cm
centre of
mass of beam
C 360 N
D 480 N
F