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Topics: Classical mechanics, Rigid body, Mass Pages: 2 (319 words) Published: September 22, 2013
ARAS 2 5 SAMPLE PROBLEMS OF CENTER OF GRAVITY- WITH SOLUTIONS AND ANSWERS

PLATE NO. 2
5 SAMPLE PROBLEMS WITH SOLUTIONS AND ANSWER
CENTROID
ARAS 2

IN PARTIAL FULFILLMENT FOR THE REQUIREMENT FOR THE DEGREE
BACHELOR OF SCIENCE IN ARCHITECTURE

SUBMITTED BY:
Malinawan, Martin Glenn G.
BSA-4A

SUBMITTED TO:
Engr. Arcibal

PLATE NO. 2
5 SAMPLE PROBLEMS WITH SOLUTIONS AND ANSWER
MOMENT(S) OF INERTIA
ARAS 2

IN PARTIAL FULFILLMENT FOR THE REQUIREMENT FOR THE DEGREE
BACHELOR OF SCIENCE IN ARCHITECTURE

In physics, the center of mass, of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero. The distribution of mass is balanced around the center of mass and the average of the weighted position coordinates of the distributed mass defines its coordinates. Calculations in mechanics are often simplified when formulated with respect to the center of mass. In the case of a single rigid body, the center of mass is fixed in relation to the body, and if the body has uniform density, it will be located at the centroid. The center of mass may be located outside the physical body, as is sometimes the case for hollow or open-shaped objects, such as a horseshoe. In the case of a distribution of separate bodies, such as the planets of the Solar System, the center of mass may not correspond to the position of any individual member of the system. The center of mass is a useful reference point for calculations in mechanics that involve masses distributed in space, such as the linear and angular momentum of planetary bodies and rigid body dynamics. In orbital mechanics, the equations of motion of planets are formulated as point masses located at the centers of mass. The center of mass frame is an inertial frame in which the center of mass of a system is at rest at with respect the...
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