Use the Parallelogram Rule to Find the Magnitude of the Resultant

question 164

Essay

Use the parallelogram rule to find the magnitude of the resultant force for the two forces shown in the figure. Round to
one decimal place.
-Explain what is wrong with the following solution for the equation $\cos 2 \theta = \sqrt { 3 }$ in the interval $[ 0,2 \pi )$ .
$$\cos 2 \theta = \sqrt { 3 }$$
$$\cos \theta = \frac { \sqrt { 3 } } { 2 }$$
$$\theta = \frac { \pi } { 6 } \text { or } \theta = \frac { 11 \pi } { 6 }$$

---

Definitions:

Social Relationships

Connections between individuals in a society, characterized by how they interact and associate with each other.

Scouts' Club

An organization for young people, typically focusing on outdoor activities, community service, and personal development, guided by principles of teamwork and respect for nature.

Social Categories

Classifications of people based on shared qualities or characteristics such as age, gender, race, religion, and social status.

Social Groups

Collections of individuals who interact based on shared interests, beliefs, or characteristics, forming a structure within which social relations occur.