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Engineering Mechanics

Engineering Mechanics
A smooth cylinder lying on its convex surface remains in __________ equilibrium.

None of these
Unstable
Stable
Neutral

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Engineering Mechanics
A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is

4v
2v
v
8v

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Engineering Mechanics
The units of moment of inertia of mass are

kg-m²
kg/m
kg/m²
m²/kg

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Engineering Mechanics
The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by

Q / P
P - Q
P / Q
P + Q

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Engineering Mechanics
An ideal machine is one whose efficiency is

Between 70 and 80%
1
Between 80 and 90%
Between 60 and 70 %

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Engineering Mechanics
The law of motion involved in the recoil of gun is

None of these
Newton's first law of motion
Newton's second law of motion
Newton's third law of motion

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MORE MCQ ON Engineering Mechanics

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