A Force of 45 Pounds Is Exerted Along a Rope $30 ^ { \circ }$

question 58

Multiple Choice

A force of 45 pounds is exerted along a rope attached to a crate at an angle of $30 ^ { \circ }$ above the horizontal. The crate is moved 50 feet. How much work has been accomplished? Round answer to one decimal place.

• A) \(2,250.0\) foot-pounds
• B) \(2,598.1\) foot-pounds
• C) \(2,099.3\) foot-pounds
• D) \(2,348.7\) foot-pounds
• E) \(1,948.6\) foot-pounds

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Definitions:

Cross-Sectional

This type of study examines data from a population, or a representative subset, at one specific point in time.

Longitudinal Studies

Research methods that involve repeated observations of the same variables or groups over a long period of time, often used to study development or changes.

Cohort Effects

Variations in the characteristics of an area of study (like attitudes, abilities) due to the study subjects having shared a particular experience during a specific time frame.

Biological Inheritance

The process whereby genetic information is transmitted from parent to offspring, dictating traits and characteristics.