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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a square of side a about its diagonal is

a⁴/16
a²/8
a⁴/12
a³/12

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Engineering Mechanics
Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point

Four times
Same as
Twice
Thrice

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Engineering Mechanics
The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is

(kG² + h²)/h²
h²/(kG² + h²)
(kG² + h²)/h
h/(kG² + h²)

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Engineering Mechanics
If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body.

Does not change
Change
None of these
Changes periodically

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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

mr²/6
mr²/4
mr²/8
mr²/2

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Engineering Mechanics
A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of

r/2
0.134 r
r/3
r/A

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