Question

Two small masses of 6 kg and 2 kg are attached to the bar at the end as shown in above figure. The bar has 8 equal marked and A, B and others are shown on the bar. The center of mass of the two masses is most nearly at which point?

• A. A
• B. B
• C. C
• D. D
• E. E

Answer 1

The correct option is B B

The product of mass and distance from the center of mass on the left must equal the product of mass and distance from the center of mass on the right, thus, (6 kg)(2) = (2 kg)(6).