A Horizontal Force Acts on a Mass M That

question 71

Multiple Choice

A horizontal force acts on a mass m that lies on a horizontal surface. The acceleration of m is . The coefficient of kinetic friction µ_k between mass m and the surface can be calculated from

• A) µ_k = a/g
• B) µ_k = (F/mg) - (a/g)
• C) µ_k = (F/mg) + (a/g)
• D) µ_k = 0
• E) None of these is correct.

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Definitions:

Parapodia

Parapodia are paired, lateral extensions on each segment of some annelids, such as polychaetes, used for locomotion and sometimes respiration.

Bivalve

Type of mollusc with a shell composed of two valves; includes clams, oysters, and scallops.

Oyster

A type of bivalve mollusk found in marine or brackish waters, often cultivated for food or pearls.

Slug

A terrestrial mollusk with a soft, unsegmented body, typically lacking a visible shell.