An Object Hangs from a Spring Balance

question 77

Multiple Choice

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.

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Definitions:

Sensorineural Deafness

A type of hearing loss that occurs due to damage to the inner ear or to the pathway from the inner ear to the brain.

Hair Cells

Sensory cells located in the inner ear, responsible for converting sound waves into electrical signals that go to the brain.

Auditory Ossicles

Three small bones in the middle ear called the malleus, incus, and stapes, which transmit sound vibrations from the eardrum to the inner ear.

Local Anesthetics

Drugs used to cause temporary loss of sensation or numbness in a specific area of the body without causing unconsciousness.