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Engineering Mechanics - Force Vectors

Exercise : Force Vectors - General Questions
  • Force Vectors - General Questions
16.

Determine the magnitude and direction of the resultant force.

R = 251 N, = 85.5° CCW
R = 251 N, = 94.5° CCW
R = 421 N, = 67.7° CCW
R = 421 N, = 112.3° CCW
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.

The gusset plate G of a bridge joint is subjected to the two member forces at A and B. If the force at B is horizontal and the force at A is directed at = 30°, determine the magnitude and direction of the resultant force.

R = 458 N, = 97.5° CCW
R = 252 N, = 82.5° CCW
R = 252 N, = 97.5° CCW
R = 458 N, = 82.5° CCW
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.

If = 20° and = 35°, determine the magnitudes of F1 and F2 so that the resultant force has a magnitude of 20 lb and is directed along the positive x axis.

F1 = 20.0 lb, F2 = 22.9 lb
F1 = 25.6 lb, F2 = 26.6 lb
F1 = 28.5 lb, F2 = 11.91 lb
F1 = 14.00 lb, F2 = 8.35 lb
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.

Determine the angle between the pole AC and the wire AB.

= 131.8°
= 70.5°
= 109.5°
= 48.2°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.

Two forces act on a block. Determine the angle between them.

= 135.0°
= 65.1°
= 45.0°
= 114.9°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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