# Civil Engineering - Applied Mechanics

### Exercise :: Applied Mechanics - Section 1

46.

The c.g. of a thin hollow cone of height h, above its base lies on the axis, at a height of

 A. B. C. D. Explanation:

No answer description available for this question. Let us discuss.

47.

Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is

 A. 20 kg B. 25 kg C. 30 kg D. 35 kg E. 40 kg.

Explanation:

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48.

The C.G. of a right circular cone lies on its axis of symmetry at a height of

 A. h/2 B. h/3 C. h/4 D. h/5 E. h/6.

Explanation:

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49.

A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is

 A. 40 kg B. 60 kg C. 10 kg D. 100 kg.

Explanation:

No answer description available for this question. Let us discuss.

50.

If a particle is projected inside a horizontal tunnel which is 554 cm high with a velocity of 60 m per sec, the angle of projection for maximum range, is

 A. 8° B. 9° C. 10° D. 11° E. 12°.