A 30-Kg Block Is Dragged Over a Rough Horizontal Surface by by a Constant

question 26

Multiple Choice

A 3.0-kg block is dragged over a rough horizontal surface by a constant force of 16 N acting at an angle of 37° above the horizontal as shown.The speed of the block increases from 4.0 m/s to 6.0 m/s in a displacement of 5.0 m.What work was done by the friction force during this displacement?

• A)−34 J
• B)−64 J
• C)−30 J
• D)−94 J
• E)+64 J

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Definitions:

Fair Market Value

The price at which property would sell between a willing buyer and a willing seller, each having reasonable knowledge of all relevant facts and not under any compulsion to transact.

Appraised Value

The estimated monetary value of an asset determined by a professional appraiser at a specific point in time.

Depreciated

Refers to the reduction in the recorded value of an asset over time due to wear and tear, obsolescence, or age.

Equipment

Tangible assets used in operations, such as machinery or office hardware, that play a key role in business operations and productivity.