A Lamp of Mass M Hangs from a Spring Scale

question 74

Multiple Choice

A lamp of mass m hangs from a spring scale which is attached to the ceiling of an elevator.When the elevator is stopped at the fortieth floor,the scale reads mg.What does it read as the elevator slows down to stop at the ground floor?

• A)more than mg
• B)less than mg
• C)mg
• D)zero
• E)One cannot tell without knowing how fast the elevator is stopping.

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Definitions:

Estradiol

A major form of estrogen, a hormone involved in the development and regulation of the female reproductive system and secondary sexual characteristics.

Endometrium

The inner lining of the uterus that thickens during the menstrual cycle in preparation for potential pregnancy.

Progesterone

A steroid hormone released by the corpus luteum and placenta, playing a key role in the menstrual cycle and maintaining the early stages of pregnancy.

Myometrium

Muscular wall of the uterus; composed of smooth muscle; also called muscular layer.