A Force of 45 Pounds Is Exerted Along a Rope

question 13

Multiple Choice

A force of 45 pounds is exerted along a rope attached to a crate at an angle of 30° above the horizontal.The crate is moved 31 feet horizontally.How much work has been accomplished? Round your answer to one decimal place.

• A)1,301.6 foot-pounds
• B)1,395.0 foot-pounds
• C)1,610.8 foot-pounds
• D)1,208.1 foot-pounds
• E)1,456.2 foot-pounds

---

Definitions:

Socially Smile

A developmental milestone where infants begin to smile in response to social interactions, typically emerging around 6-8 weeks of age.

Months Of Age

A measure of age typically used for infants and very young children, quantifying their life span in months rather than years.

Birth

The act or process of being born; the start of life outside the uterus.

Year

A unit of time based on the Earth's orbit around the Sun, traditionally divided into 12 months, 365 or 366 days.