A man weighing 800 N stands at rest on two bathroom scales so that one scale shows a reading of 500 N. The reading on the other scale is
A)200 N.
B)300 N.
C)400 N.
D)800 N.
E)none of the above

Question

Quizplus · Accepted Answer

The man is standing on two scales, so the total weight (force) acting on the scales is equal to his weight, 800 N. If one scale shows a reading of 500 N, then the other scale must show a reading of 800 N - 500 N = 300 N. Therefore, the answer is B) 300 N.

A Man Weighing 800 N Stands at Rest on Two