A rock suspended by a string weighs 5 N out of water and 3 N when submerged.What is the buoyant force on the rock?
A)8 N
B)5 N
C)3 N
D)2 N
E)none of these

Name: A rock suspended by a string weighs 5 N out of water and 3 N when submerged.What is the buoyant force on the rock? A)8 N B)5 N C)3 N D)2 N E)none of these
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Question

Quizplus · Accepted Answer

The buoyant force is the difference in weight of the rock in air and in water, which is 5 N - 3 N = 2 N.

A Rock Suspended by a String Weighs 5 N Out