Find the Magnitude and Direction Angle (To the Nearest Tenth) $$\left[ 0,360 ^ { \circ } \right]$$

question 219

Multiple Choice

Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as
an angle in $$\left[ 0,360 ^ { \circ } \right]$$
- $$\langle 0 , - 18 \rangle$$

• A) \(18 ; 180 ^ { \circ }\)
• B) \(18 ; 270 ^ { \circ }\)
• C) \(324 ; 270 ^ { \circ }\)
• D) \(18 ; 90 ^ { \circ }\)

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Definitions:

Posterior Antebrachial

Refers to the back side of the forearm.

Extensor Carpi Ulnaris

A muscle of the forearm that extends and adducts the wrist, located on the ulnar side.

Pronator Teres

A muscle in the forearm that helps in pronating the wrist by turning the palm downward.

Masseter

A facial muscle that plays a major role in the chewing of solid foods, connecting the jawbone to the cheekbone.