An irregularly shaped object 10 m long is placed with each end on a scale.If the scale on the right reads 74 N and the scale on the left reads 93 N,how far from the left is the center of gravity?
A)4.4 m
B)13 m
C)5.6 m
D)8.0 m

Question

Quizplus · Accepted Answer

The center of gravity can be found using the principle of moments. The total weight is 74 N + 93 N = 167 N. The moment about the left scale is 74 N * 10 m. Setting the moments equal gives 93 N * x = 74 N * 10 m. Solving for x gives x = 4.4 m.

An Irregularly Shaped Object 10 M Long Is Placed with Each