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Engineering Mechanics

Engineering Mechanics
The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by

ω².r
ω²/r
ω/r
ω.r

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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
When the spring of a watch is wound, it will possess

Heat energy
Kinetic energy
Electrical energy
Strain energy

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Engineering Mechanics
The rate of change of displacement of a body is called

None of these
Acceleration
Velocity
Momentum

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

erg
joule
kg-m
Newton

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Engineering Mechanics
The algebraic sum of moments of the forces forming couple about any point in their plane is

Both of above are correct
Equal to the moment of the couple
Constant
Both of above are wrong

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MORE MCQ ON Engineering Mechanics

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