A Uniform Bridge Span Weighs 80

Multiple Choice

A uniform bridge span weighs 80.0 × 10³ N and is 30.0 m long.An automobile weighing 12.0 × 10³ N is parked with its center of gravity located 12.0 m from the right pier.What upward support force does the right pier provide?

A) 44.8 × 10³ N
B) 54 × 10³ N
C) 32.8 × 10³ N
D) 47.2 × 10³ N
E) 46 × 10³ N