Burl and Paul have a total weight of 1300 N.The tensions in the ropes that support the scaffold they stand on add to 1700 N.The weight of the scaffold itself must be
A)400 N.
B)500 N.
C)600 N.
D)800 N.

Question

Quizplus · Accepted Answer

The total tension in the ropes (1700 N) must support both the weight of Burl and Paul (1300 N) and the weight of the scaffold. Therefore, the weight of the scaffold is 1700 N - 1300 N = 400 N.

Burl and Paul Have a Total Weight of 1300 N