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Engineering Mechanics

Engineering Mechanics
The rate of doing work is known as

None of these
Potential energy
Power
Kinetic energy

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Engineering Mechanics
The centre of gravity of a uniform lamina lies at

The midpoint of its axis
The bottom surface
All of these
The centre of heavy portion

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

2mr²/5
4mr²/5
3mr²/5
3mr²/10

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Engineering Mechanics
The moment of inertia of a square of side (a) about an axis through its center of gravity is

a4/4
a4/12
a4/36
a4/8

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Engineering Mechanics
Center of gravity of a thin hollow cone lies on the axis at a height of

One-fourth of the total height above base
One-third of the total height above base
One-half of the total height above base
Three-eighth of the total height above the base

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Engineering Mechanics
The rate of change of displacement of a body is called

None of these
Acceleration
Velocity
Momentum

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MORE MCQ ON Engineering Mechanics

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