# Engineering Mechanics - Center of Gravity and Centroid

### Exercise :: Center of Gravity and Centroid - General Questions

• Center of Gravity and Centroid - General Questions
6.

The truss is made from seven members, each having a mass of 6 kg/m. Locate the position (,) of the center of mass. Neglect the mass of the gusset plates at the joints.

 A. = 2.36 m, = 1.286 m B. = 2.33 m, = 1.333 m C. = 2.43 m, = 1.308 m D. = 2.79 m, = 1.757 m

Explanation:

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7.

Locate the center of gravity of the volume generated by revolving the shaded area about the z axis. The material is homogeneous.

 A. = 2.80 ft B. = 2.50 ft C. = 2.67 ft D. = 3.00 ft

Explanation:

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8.

Locate the center of gravity of the homogeneous "bell-shaped" volume formed by revolving the shaded area about the y axis.

 A. = 3.33 ft B. = 2.80 ft C. = 3.20 ft D. = 3.00 ft

Explanation:

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9.

Locate the centroid of the exparabolic segment of area.

 A. = -4a/5, = -b/4 B. = -3a/4, = -3b/10 C. = -2a/3, = -b/3 D. = -5a/7, = -3b/8