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Engineering Mechanics

Engineering Mechanics
The centre of percussion is below the centre of gravity of the body and is at a distance equal to

h × kG
h/kG
kG2/h
h2/kG

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Engineering Mechanics
The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is

None of these
100 N
20 N
500 N

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Engineering Mechanics
When the spring of a watch is wound, it will possess

Heat energy
Kinetic energy
Strain energy
Electrical energy

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Engineering Mechanics
The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.

3r/4π
3r/ 8
8r/3
4r/ 3π

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Engineering Mechanics
The C.G. of a solid hemisphere lies on the central radius 3r

At distance — from the plane base 3r
At distance — from the plane base 3r
At distance — from the plane base 3r
At distance — from the plane base

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

None of these
g tanθ
g sinθ
g cosθ

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MORE MCQ ON Engineering Mechanics

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