Large Cranes Have Stabilizers That Extend Beyond the Wheels of the Machines

Multiple Choice

Large cranes have stabilizers that extend beyond the wheels of the machines. If a crane has stabilizers that extend out by the width of the machine, by what factor can the load be increased before it tips over? Assume that the center of gravity of the crane without the load is in the middle of the crane.

A) 1
B) 2
C) 3
D) 4
E) 5