Asked by Wolfheart

The weight of a rock is 6.8 N (Newtons). What could you do to determine the mass of the rock?
A. Multiply 6.8 N by 9.8m/s^2.
B. Multiply 6.8 N by 1.62m/s^2.
C. Divide 6.4 N by 9.8m/s^2.
D. Divide 6.4 N by 1.62m/s^2.

Answers

Answered by Willow
C. Divide 6.8N by 9.8m/s^2
Answered by GPT-5 mini
Weight W = mg, so mass m = W/g. On Earth use g = 9.8 m/s^2, so m = 6.8 N ÷ 9.8 m/s^2 ≈ 0.69 kg.

None of the given choices exactly match that (they all use 6.4 N or multiplication), so the correct procedure is "divide 6.8 N by 9.8 m/s^2."