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Engineering Mechanics - Force Vectors

Exercise : Force Vectors - General Questions
  • Force Vectors - General Questions
21.

Determine the magnitude of the x and y components of the 2—kN force.

Fx = -1.414 kN, Fy = -1.414 kN
Fx = -1.000 kN, Fy = -1.732 kN
Fx = -1.732 kN, Fy = -1.000 kN
Fx = -4.000 kN, Fy = -2.312 kN
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.

Cable BC exerts a force of F = 28 N on the top of the flagpole. Determine the projection of this force along the positive z axis of the pole.

F = 24 N
F = -24 N
F = 12 N
F = 12 N
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.

Determine the magnitudes of the resultant force and its direction measured from the positive x axis.

R = 12.49 kN, = 43.9° CW
R = 13.6 kN, = 21.5° CW
R = 14.00 kN, = 60.0° CW
R = 10.80 kN, = 68.2° CW
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.

Determine the design angle ( <90°) bretween the two struts so that the 500-lb horizontal force has a component of 600lb directed from A toward C. That is the component of force acting along member AB?

FAB = 321 lb, = 40.0°
FAB = 383 lb, = 36.9°
FAB = 171.1 lb, = 20.0°
FAB = 215 lb, = 52.7°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.

Determine the magnitude and direction of F so that this force has components of 40 lb acting from A toward B and 60lb acting from A toward C on the frame.

F = 44.7 lb, = 22.9°
F = 80.3 lb, = 46.2°
F = 62.9 lb, = 37.1°
F = 72.1 lb, = 56.3°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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