An object hangs from a spring balance.The balance indicates 30 N in air, 20 N when the object is submerged in water.Which of the following is true?
A) The actual weight of the object is 20 N.
B) The actual weight of the object is 10 N.
C) The actual weight of the object is slightly more than 30 N, due to the buoyant force of the air.
D) The actual weight of the object is slightly less than 30 N, due to the buoyant force of the air.
E) The actual weight of the object is equal to the apparent weight of the object in both cases.
Correct Answer:
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