In the case of a body of non-homogeneous material (where weight of the body is W

Question

In the case of a body of non-homogeneous material (where weight of the body is W) and various thickness, the formulas x^bar W = integral x dW and y^bar W = integral y dW can be used to determine (a) the center of gravity (b) the centroid (c) the center of gravity and the centroid (d) none of the above The internal forces of a two force member which is not straight are equivalent to (a) only equal and opposite forces directed along the same line of action (b) a force couple system (c) a shearing force and bending moment only (d) a single shear force In problems involving belt friction where T_2/T_1 = e^(mu, beta), T_2 represents (a) the angle of contact between the belt and cylinder (b) the coefficient of friction (c) the force in the direction of pull (d) the force in the direction of resistance The first moment of a force with respect to an axis is equivalent to (a) the second moment (b) the centroid (c) the first moment (d) the moment of inertia The second moment of a force with respect to an axis is equivalent to (e) the center of gravity (f) the centroid (g) the first moment (h) the moment of inertia Trusses may be made up of (a) three force members (b) two force members (c) multi-force members (d) all of the above Frames may be made up of (a) three force members (b) two force members (c) multi-force members (d) all of the above Machines may be made up of (a) three force members (b) two force members (c) multi-force members (d) all of the above

Explanation / Answer

12) Option (b)

13) Option (a)

14) Option (d)

15) Option (d)

16) Option (e)

17) Option (d)

18) Option (d)

19) Option (d)

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