Practical Applications

Practice Questions

Trigonometry › Practical Applications

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1

A 450 pound barrel rests on a inclined plane. What is the minimum force (ignoring friction) needed to keep the barrel from rolling down the incline? What is the force the barrel exerts against the inclined plane? Will the barrel stay in place or roll?

2

A 450 pound barrel rests on a inclined plane. What is the minimum force (ignoring friction) needed to keep the barrel from rolling down the incline? What is the force the barrel exerts against the inclined plane? Will the barrel stay in place or roll?

3

Consider the following graphs where begins at the origin and ends at and . Which of the following depicts the correct resultant of these two vectors.

Screen shot 2020 08 27 at 1.29.58 pm

4

Consider the following graphs where begins at the origin and ends at and . Which of the following depicts the correct resultant of these two vectors.

Screen shot 2020 08 27 at 1.29.58 pm

5

Determine the magnitude of vector A.

6

Determine the magnitude of vector A.

7

Determine the resultant of and .

8

Determine the resultant of and .

9

An airplane is traveling at a bearing of from north for 330 kilometers. How far south and how far east is the plane from its starting point?

10

Which of the following diagrams could show a bearing of ?

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