FIGURE 11-5
-An 82.0 kg-diver stands at the edge of a light 5.00-m diving board, which is supported by two pillars 1.60 m apart, as shown in Figure 11-5. Find the force exerted by pillar A.
A) 1.71 kN downwards
B) 1.71 kN upwards
C) 2.51 kN downwards
D) 2.51 kN upwards
E) 3.44 kN upwards

Question

FIGURE 11-5 
-An 82.0 kg-diver stands at the edge of a light 5.00-m diving board, which is supported by two pillars 1.60 m apart, as shown in Figure 11-5. Find the force exerted by pillar A.
A) 1.71 kN downwards 
B) 1.71 kN upwards 
C) 2.51 kN downwards 
D) 2.51 kN upwards 
E) 3.44 kN upwards

Quizplus · Accepted Answer

The torque about pillar B is zero, so the force exerted by pillar A is 1.71 kN downwards.

FIGURE 11-5 -An 82.0 Kg-Diver Stands at the Edge of a Light