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Engineering Mechanics

Engineering Mechanics
The unit of angular acceleration is

m/s2
N-m
rad/s2
m/s

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Engineering Mechanics
The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.)

2π. √(l/g)
(1/2π). √(l/g)
None of these
(1/2π). √(g/l)

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Engineering Mechanics
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is

db³/36
bd³/36
db³/12
bd³/12

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Engineering Mechanics
The acceleration of a body sliding down an inclined surface is

None of these
g cosθ
g sinθ
g tanθ

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Engineering Mechanics
The moment of inertia of a solid cylinder of mass 'm', radius 'r' and length 'l' about the longitudinal axis or polar axis is

mr²/4
mr²/2
mr²/8
mr²/6

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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
None of these
Equal to
Less than

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MORE MCQ ON Engineering Mechanics

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