A Person Applies a Constant Force of 20 N to a Rock

question 87

Multiple Choice

A person applies a constant force of 20 N to a rock of mass 1000 kg, for a total of 20 seconds. What is the work done by this person if the rock does not move at all by this applied force?

• A) 1000 J
• B) 2000 J
• C) 20,000 J
• D) 0 J
• E) 400 J

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Definitions:

Utility Bills

Invoices sent by service providers (water, gas, electricity) to consumers for the consumption of utilities.

Entertainment Costs

Expenses incurred for activities related to enjoyment, such as movies, sports events, and concerts.

Net Worth

The difference between a person’s assets (what is owned) and that person’s liabilities (what is owed).

Liabilities

Financial obligations or debts that a company or individual owes to others.