A Person Standing on Bathroom Scales Sees a Reading of 148

Multiple Choice

A person standing on bathroom scales sees a reading of 148 pounds. This person is acted on by

A) no forces at all.
B) only one force (148 pounds, as shown by the reading on the scales) .
C) only one force of 296 pounds (the sum of 148 pounds from Earth and 148 pounds from the scale) .
D) two forces of equal size acting in opposite directions.