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Engineering Mechanics

Engineering Mechanics
The amplitude is always __________ radius of the circle.

Greater than
Less than
None of these
Equal to

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Engineering Mechanics
The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity.

Inversely
Directly
None of these
Square root

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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
bd³/12
db³/12

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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

4mr²/5
3mr²/10
2mr²/5
3mr²/5

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Engineering Mechanics
If the body falls freely under gravity, then the gravitational acceleration is taken as

-8.9 m/s2
+8.9 m/s2
-9.8 m/s2
+9.8 m/s2

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Engineering Mechanics
The rate of doing work is known as

Kinetic energy
None of these
Potential energy
Power

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