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Civil Engineering - Applied Mechanics

Exercise : Applied Mechanics - Section 5
41.
The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The horizontal reaction at the support A of the structure shown in below figure, is
zero
1 t
2 t
3 t
2.5 t.
Answer: Option
Explanation:
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43.
Periodic time of body moving with simple harmonic motion, is
directly proportional to its angular velocity
directly porportional to the square of its angular velocity
inversly proportional to the square of its angular velocity
inversely proportional to its angular velocity.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts
downwards at its upper end
upwards at its upper end
perpendicular to the wall at its upper end
zero at its upper end
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The centre of gravity of a plane lamina will not be at its geometrical centre if it is a
circle
equilateral triangle
rectangle
square
right angled triangle.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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