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Engineering Mechanics

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/ 6
ml2/4
ml2/8
ml2/12

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Engineering Mechanics
The force, by which the body is attracted, towards the center of the earth, is called

Mass
Momentum
Impulsive force
Weight

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

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Engineering Mechanics
If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella

More inclined when moving
Less inclined when standing
Less inclined when moving
More inclined when standing

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Engineering Mechanics
Which of the following are vector quantities?

Linear displacement
All of these
Linear acceleration
Linear velocity

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Engineering Mechanics
The acceleration of a particle moving with simple harmonic motion is __________ at the mean position.

Zero
Maximum
None of these
Minimum

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MORE MCQ ON Engineering Mechanics

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