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Engineering Mechanics - Center of Gravity and Centroid

Exercise : Center of Gravity and Centroid - General Questions
  • Center of Gravity and Centroid - General Questions
1.

Determine the approximate amount of paint needed to cover the surface of the water storage tank. Assume that a liter of paint covers 2.5 m2. Also, what is the total inside volume of the tank.

27.6 liters of paint, V = 52.6 m3
20.1 liters of paint, V = 50.3 m3
26.4 liters of paint, V = 56.5 m3
25.1 liters of paint, V = 55.0 m3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.

Determine the distance to the centroid axis of the beam's cross-sectional area. Neglect the size of the corner welds at A and B for the calculation.

= 75.2 mm
= 97.5 mm
= 85.9 mm
= 102.5 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.

Locate the centroid of the shaded area.

= 0.667 m, = 2.40 m
= 0.500 m, = 2.80 m
= 0.800 m, = 2.00 m
= 0.600 m, = 2.60 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.

Determine the volume of concrete needed to construct the circular curb.

V = 1.083 m3
V = 1.309 m3
V = 1.756 m3
V = 8.67 m3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.

Determine the distance to the centroidal axis of the beam's cross-sectional area.

= 112.3 mm
= 125.0 mm
= 100.0 mm
= 91.7 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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