A 4-Kg Object Falls Vertically a Distance of 5 M

question 9

Multiple Choice

A 4-kg object falls vertically a distance of 5 m. Its potential energy has changed by approximately how much?

• A) It has increased by 20 J.
• B) It has decreased by 200 J.
• C) It has decreased by 20 J.
• D) It has increased by 200 J.

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Definitions:

Mechanics

The branch of physics that deals with the motion of objects and the forces that affect that motion.

Marginal Product

The additional output produced as a result of adding one more unit of a specific input, keeping other inputs constant.

Value of Marginal Product

The additional revenue generated by employing one more unit of a factor of production, such as labor.

Marginal Product

The increase in output resulting from a one-unit increase in the input of a production factor, holding all other inputs constant.