A Hockey Puck Is Set in Motion Across a Frozen

question 37

Multiple Choice

A hockey puck is set in motion across a frozen pond. If ice friction and air resistance are neglected, the force required to keep the puck sliding at constant velocity is

• A) equal to its weight.
• B) equal to its weight divided by its mass.
• C) zero.
• D) equal to the product of its mass times its weight.

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Definitions:

Stratified Squamous Epithelial Tissue

A type of tissue composed of multiple layers of squamous cells, designed to protect underlying tissues in areas subject to abrasion.

Collagen and Elastin Fibers

Proteins present in connective tissues, where collagen provides strength and elastin allows for elasticity.

Macrophages

A variant of white blood cell that is specialized in ingesting and decomposing cellular remnants, alien substances, pathogens, and cancerous cells by means of a procedure referred to as phagocytosis.

Arrector Pili

Small muscles attached to hair follicles that, when contracted, cause hair to stand on end - a phenomenon often associated with cold or fright, known as "goosebumps."