A 25-N Force Is Needed to Move an Object with a Constant

question 59

Multiple Choice

A 25-N force is needed to move an object with a constant velocity of 2.0 m/s. What power must be delivered to the object by the force?

• A)0.50 W
• B)1.0 W
• C)5.0 W
• D)50 W
• E)100 W

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Definitions:

Pressure

The force exerted per unit area.

Compliance

In a medical context, compliance refers to the ability of blood vessels or other tubular organs to expand in response to increased pressure or volume, reflecting their elasticity.

Resistance

The opposition to flow, whether referring to electrical circuits, fluid dynamics, or antibiotic resistance in microbes.

Vessel Wall

The structure surrounding blood vessels consisting of layers that include the endothelium, smooth muscle, and connective tissue, providing stability and controlling vessel diameter.