A Constant Force of 20 N Is Applied to an Object

question 35

Multiple Choice

A constant force of 20 N is applied to an object of mass 8.0 kg at an angle of 25° with the horizontal. What is the work done by this force on the object if it causes a displacement of 2.0 m along the horizontal direction?

• A) 40 J
• B) 0 J
• C) 36 J
• D) 17 J
• E) 19 J

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Definitions:

Reversal

The act of changing direction, position, or an earlier decision, often used in various contexts including behavior, decision-making, and physical movements.

Linnaean Categories

Hierarchical levels of classification in biology developed by Carl Linnaeus, including kingdom, phylum, class, order, family, genus, and species.

Hierarchical

Describing a system or organization in which people or groups are ranked one above the other according to status or authority.

Domain

(1) A structural and functional region of a protein. (2) The broadest taxonomic category; each domain includes one or more kingdoms.