Work Done by STATIC FRICTION Is Always

question 71

Multiple Choice

Work done by STATIC FRICTION is always

• A) parallel to the surface.
• B) perpendicular to the surface.
• C) positive.
• D) negative.
• E) zero.

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Definitions:

Fear of Rat

An irrational and intense fear of rats, technically known as musophobia.

Conditioning

A process of behavior modification by which a subject comes to associate a desired behavior with a previously unrelated stimulus.

Metronome

A device used to mark time at a selected rate by giving a regular tick sound.

Biscuit

A baked food item, typically flour-based, that varies significantly between regions; in the U.S., it refers to a soft bread roll, while in the U.K. it is akin to what Americans call a cookie.