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Engineering Mechanics

Engineering Mechanics
If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be

Minimum
Maximum
Infinity
Zero

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Engineering Mechanics
If a number of forces are acting at a point, their resultant will be inclined at an angle 'θ' with the horizontal, such that

tanθ = √(ΣV + ΣH)
tanθ = ΣV × ΣH
tanθ = ΣV/ΣH
tanθ = ΣH/ΣV

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Engineering Mechanics
The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is

ml2/4
ml2/8
ml2/12
ml2/ 6

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Engineering Mechanics
The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.

Greater than
Less than
None of these
Equal to

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Engineering Mechanics
In order to determine the effects of a force, acting on a body, we must know

Nature of the force i.e. whether the force is push or pull
Magnitude of the force
All of these
Line of action of the force

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Engineering Mechanics
The unit of work in S.I. units is

erg
joule
kg-m
Newton

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MORE MCQ ON Engineering Mechanics

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