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Engineering Mechanics

Engineering Mechanics
The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.

8r/3
4r/ 3π
3r/4π
3r/ 8

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Engineering Mechanics
The frequency of oscillation of a compound pendulum is (where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.)

2π. √(kG² + h²/gh)
2π. √(gh/kG² + h²)
1/2π. √(gh/kG² + h²)
1/2π. √(kG² + h²/gh)

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Engineering Mechanics
Centre of gravity of a solid cone lies on the axis at the height

Three eighth of the total height above the base
One-half of the total height above base
One third of the total height above base
One fourth of the total height above base

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Engineering Mechanics
When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.

Towards back
Outward
Inward
Towards front

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Engineering Mechanics
A smooth cylinder lying on a __________ is in neutral equilibrium.

None of these
Curved surface
Horizontal surface
Convex surface

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Engineering Mechanics
The centre of percussion is below the centre of gravity of the body and is at a distance equal to

kG2/h
h × kG
h/kG
h2/kG

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MORE MCQ ON Engineering Mechanics

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