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Engineering Mechanics

Engineering Mechanics
The unit of moment of inertia of an area is

kg/m2
m4
kg-m-s2
kg-m2

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Engineering Mechanics
The units of moment of inertia of mass are

kg-m²
kg/m²
m²/kg
kg/m

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Engineering Mechanics
If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.

Greater than
None of these
Less than
Equal to

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Engineering Mechanics
When two elastic bodies collide with each other,

The two bodies will momentarily come to rest after collision
The two bodies tend to compress and deform at the surface of contact
All of these
The two bodies begin to regain their original shape

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Engineering Mechanics
The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is

mr²/8
mr²/6
mr²/2
mr²/4

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Engineering Mechanics
Moment of inertia of a circular section about its diameter (d) is

πd3/32
πd4/64
πd3/16
πd4/32

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MORE MCQ ON Engineering Mechanics

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