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Engineering Mechanics

Engineering Mechanics
A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

Non-reversible
Ideal
Reversible
None of these

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Engineering Mechanics
When a body falls freely under gravitational force, it possesses __________ weight.

Minimum
None of these
No
Maximum

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Engineering Mechanics
On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be

Upwards at its upper end
Away from the wall at its upper end
Towards the wall at its upper end
Downwards at its upper end

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Engineering Mechanics
The energy possessed by a body, for doing work by virtue of its position, is called

Chemical energy
Electrical energy
Potential energy
Kinetic energy

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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
a4/8
a4/36

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Engineering Mechanics
Moment of inertia is the

Second moment of force
Second moment of mass
Second moment of area
All of these

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MORE MCQ ON Engineering Mechanics

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