exam math 1 & Exam math 4

Student ID: 21918388

Exam: 498806RR - INTRO TO STATICS

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Questions 1 to 20: Select the best answer to each question. Note that a question and its answers may be split across a page break, so be sure that you have seen the entire question and all the answers before choosing an answer.

1. Refer to the image shown here in answering this question.

What is the x-axis component of the force shown in the figure? A. 114.68 lbs

B. 59.7 lbs

C. 80.3 lbs

D. 25.32 lbs

2. Refer to the image shown here in answering this question.

Determine the moments of the forces about Point A in the figure. Note that counterclockwise moments are positive. A. –370.77 ft-lbs

B. –3064.62 ft-lbs

C. 2806.48 ft-lbs

D. 3064.62 ft-lbs

3. Refer to the image shown here in answering this question.

What is the y-axis component of the force shown in this figure? A. 25.32 lbs

B. 59.7 lbs

C. 114.68 lbs

D. 80.3 lbs

4. Refer to the image shown here in answering this question.

The distributed load shown in this figure is converted to a concentrated load. At what distance from Point A will the concentrated load act on the beam?

A. 3.33 m

B. 0 m

C. 5 m

D. 6.67 m

5. Refer to the image shown here in answering this question.

In this figure, determine the reaction at Point A. A. 200 lbs

B. 2000 lbs

C. 1000 lbs

D. 500 lbs

6. Refer to the image shown here in answering this question.

Determine the moments of the forces about Point B in the figure. Note that counterclockwise moments are positive. A. 3609.24 ft-lbs

B. 370.77 ft-lbs

C. 064.62 ft-lbs

D. –3064.62 ft-lbs

7. Refer to the image shown here in answering this question.

The distributed load shown in the figure is converted to a concentrated load. At what distance from Point A will the concentrated load act on the beam? A. 3.33 ft

B. 10 ft

C. 0 ft

D. 5 ft

8. Refer to the image shown here in answering this question.

What is the y-axis component of Force 1 shown in the figure? A. 82.45 lbs

B. 19.33 lbs

C. 250 lbs

D. 230.77 lbs

9. Refer to the image shown here in answering this question.

What is the y-axis component of Force 2 shown in the figure? A. –30.31 lbs

B. 30.31 lbs

C. 112.69 lbs

D. –112.69 lbs

10. Refer to the image shown here in answering this question.

What is the angle (in degrees) of the resultant force of the concurrent force system shown in the figure? The angle should be measured counterclockwise, with respect to the positive x-axis. A. –3.56

B. –2.44

C. 2.44

D. 3.56

11. Which one of the following sign conventions iscorrect? A. A force causing clockwise rotation creates a negative moment.

B. Downward-pointing forces are positive.

C. Upward pointing forces are negative.

D. A force causing a counterclockwise rotation creates a negative moment.

12. Refer to the image shown here in answering this question.

What is the x-axis component of Force 1 shown in the figure? A. 237.23 lbs

B. 19.77 lbs

C. 98.85 lbs

D. 158.15 lbs

13. Refer to the image shown here in answering this question.

What is the x-axis component of Force 2 shown in the figure? A. 54.96 lbs

B. 30.31 lbs

C. 88.04 lbs

D. 112.69 lbs

14. A pinned connection has A. both a reaction moment and a reaction with both X and Y components.

B. one reaction with both X and Y components.

C. only a reaction moment.

D. one reaction with either an X or Y component.

15. Refer to the image shown here in answering this question.

The distributed load shown in the figure is converted to a concentrated load. What magnitude will the concentrated load have? A. 2500 lbs

B. 1000 lbs

C. 2000 lbs

D. 200 lbs

16. When converting a uniform distributed load to a concentrated load, the location of the concentrated load is placed A. at the left end of the loaded area.

B. at the center of the loaded area.

C. at the right end of the loaded area.

D. somewhere between the center and the left or right end of the loaded area.

17. Refer to the image shown here in answering this question.

In this figure, determine the reaction at Point A.

A. 33 kN

B. 83.25 kN

C. 50 kN

18. Refer to the image shown here in answering this question.

Determine the reaction at Point B, shown in the figure. A. 0 lbs

B. 300 lbs

C. 350 lbs

D. 550 lbs

19. Refer to the image shown here in answering this question.

End of exam

What is the y-axis component of Force 1 shown in the figure? A. 19.77 lbs

B. 158.15 lbs

C. 237.23 lbs

D. 98.85 lbs

20. Refer to the image shown here in answering this question.

In this figure, determine the y-axis component of the reaction at Point B. A. 0 lbs

B. 500 lbs

C. 200 lbs

D. 1000 lbs