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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a square of side (a) about an axis through its center of gravity is

a4/4
a4/36
a4/12
a4/8

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Engineering Mechanics
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

bh3/12
bh3/4
bh3/8
bh3/36

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Engineering Mechanics
The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of

0.8 r
0.6 r
0.7 r
0.5 r

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Engineering Mechanics
The maximum acceleration of a particle moving with simple harmonic motion is

ωr
ω
ω/r
ω²r

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Engineering Mechanics
On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be

Upwards at its upper end
Perpendicular to the wall at its upper end
Downwards at its upper end
Zero at its upper end

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Engineering Mechanics
When the lift is moving upwards with some acceleration, the pressure exerted by a man is __________ to its acceleration.

None of these
Directly proportional
Cube root
Inversely proportional

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MORE MCQ ON Engineering Mechanics

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