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Engineering Mechanics

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

a⁴/16
a³/12
a⁴/12
a²/8

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Engineering Mechanics
Work done is said to be zero, when

Some force acts on a body, but displacement is zero
None of these
No force acts on a body but some displacement takes place
Either (A) or (B)

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Engineering Mechanics
The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

Greater than
Less than
None of these
Equal to

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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

3mr²/5
3mr²/10
2mr²/5
4mr²/5

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

Outward
Inward
Towards back
Towards front

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Engineering Mechanics
Whenever a force acts on a body and the body undergoes a displacement, then

Power is being transmitted
Work is said to be done
None of these
Body has kinetic energy of translation

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MORE MCQ ON Engineering Mechanics

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