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Engineering Mechanics

Engineering Mechanics
The coefficient of friction depends upon

Area of contact
Nature of surfaces
Shape of the surfaces
All of these

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Engineering Mechanics
If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is

None of these
g/3
g/4
g/2

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Engineering Mechanics
The centre of gravity of a uniform lamina lies at

All of these
The centre of heavy portion
The bottom surface
The midpoint of its axis

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Engineering Mechanics
One kg force is equal to

7.8 N
8.9 N
9.8 N
12 N

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Engineering Mechanics
The moment of inertia of a solid cylinder of mass 'm', radius 'r' and length 'l' about the longitudinal axis or polar axis is

mr²/2
mr²/6
mr²/8
mr²/4

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Engineering Mechanics
The unit of force in S.I. system of units is

Dyne
Watt
Kilogram
Newton

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MORE MCQ ON Engineering Mechanics

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