Mechanical Engineering - Engineering Mechanics
Exercise : Engineering Mechanics - Section 4
31.
According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through centre of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.)
32.
The resultant of two equal forces P making an angle θ, is given by
33.
The force, by which the body is attracted, towards the centre of the earth, is called
34.
Coplaner concurrent forces are those forces which
35.
The power developed by a body acted upon by a torque T newton metre (N - m) and revolving at ω radian/s is given by
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