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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is

7mr²/5
7mr²/3
2mr²/3
2mr²/5

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Engineering Mechanics
If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is

g/4
None of these
g/3
g/2

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

g sinθ
g cosθ
g tanθ
None of these

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Engineering Mechanics
For a self locking machine, the efficiency must be

1
Greater than 50%
Less than 50%
Equal to 50%

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Engineering Mechanics
The range of projectile on a downward inclined plane is ________ the range on upward inclined plane for the same velocity of projection and angle of projection.

Less than
None of These
More than
Equal to

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Engineering Mechanics
When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.

Towards back
Towards front
Inward
Outward

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MORE MCQ ON Engineering Mechanics

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