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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is

7mr²/5
2mr²/5
7mr²/3
2mr²/3

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Engineering Mechanics
A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act

Perpendicular to the wall at its upper end
Zero at its upper end
Downward at its upper end
Upward at its upper end

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Engineering Mechanics
The unit of moment of inertia of an area is

kg-m-s2
m4
kg/m2
kg-m2

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Engineering Mechanics
The acceleration of a particle moving with simple harmonic motion, at any instant is given by

ω.y
ω3.y
ω2.y
ω2/y

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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.

Cube root
Inversely proportional
None of these
Directly proportional

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Engineering Mechanics
The coefficient of restitution for inelastic bodies is

Between zero and one
More than one
One
Zero

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MORE MCQ ON Engineering Mechanics

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