A person lifts a load of weight 450 N450\text{ N}450 N using a wheelbarrow. The wheel acts as the pivot. The center of gravity of the load is located at a horizontal distance of 0.4 m0.4\text{ m}0.4 m from the pivot, while the upward effort is applied at a horizontal distance of 1.5 m1.5\text{ m}1.5 m from the pivot. 
What is the effort force needed to lift the load?