A 200-N Crate Rests on a Ramp; the Maximum Angle $\degree$

question 13

Multiple Choice

A 200-N crate rests on a ramp; the maximum angle just before it slips is 21 $\degree$ with the horizontal. What is the coefficient of static friction between crate and ramp surfaces?

• A) 0.11
• B) 0.21
• C) 0.38
• D) 0.47

---

Definitions:

Radiation Therapy

A treatment method using high-energy rays or particles to destroy cancer cells.

Chemotherapy

A type of cancer treatment using one or more anti-cancer drugs as part of a standardized chemotherapy regimen to kill or stop the growth of cancer cells.

Natural Remedy

Treatment or therapy using natural ingredients or practices to heal or maintain health.

Nausea

A stomach discomfort and the sensation of wanting to vomit.