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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is

3mr²/5
3mr²/10
4mr²/5
2mr²/5

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Engineering Mechanics
The mechanical advantage of a lifting machine is the ratio of

Load lifted to the effort applied
Output to the input
All of these
Distance moved by effort to the distance moved by load

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Engineering Mechanics
The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then

P = Q
Q = 2R
None of the listed here
Q = R

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

Weight
Impulsive force
Momentum
Mass

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Engineering Mechanics
The maximum velocity of a particle moving with simple harmonic motion is

ω
ω2r
ωr
ω/r

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Engineering Mechanics
Static friction is always __________ dynamic friction.

Greater than
Less than
Equal to
None of these

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MORE MCQ ON Engineering Mechanics

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