A Force Pushes a Block Along a Horizontal Surface

question 32

Multiple Choice

A force pushes a block along a horizontal surface against a force of friction _f. If the block undergoes a displacement s at constant velocity, the work done by the resultant force on the block

• A) is equal to the work done by the force of friction _f
• B) is given by W = ·
• C) increases the kinetic energy of the block.
• D) increases the potential energy of the block.
• E) is zero.

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Definitions:

NDP

Net Domestic Product, which is the total value of all goods and services produced within a country in a specific time period, minus depreciation.

GDP

Gross Domestic Product quantifies the overall market worth of every completed good and service produced internally across a country during a certain period.

National Income

The total income earned by a country's factors of production within a given period, representing the sum of wages, rent, interest, and profits.

Depreciation

The reduction in the value of an asset over time, typically due to wear and tear, usage, or aging.