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Engineering Mechanics

Engineering Mechanics
When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is

mv2
0.5 mgv2
0.5 mv2
mgv2

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Engineering Mechanics
Moment of inertia of a circular section about its diameter (d) is

πd4/32
πd4/64
πd3/32
πd3/16

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Engineering Mechanics
From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the centre of circular plate

1.0 cm
2.5 cm
1.5 cm
0.5 cm

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Engineering Mechanics
The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

πN/180
2πN/180
πN/60
2πN/60

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Engineering Mechanics
The acceleration of a particle moving with simple harmonic motion, at any instant is given by

ω2/y
ω2.y
ω.y
ω3.y

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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
500 N
100 N
20 N

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MORE MCQ ON Engineering Mechanics

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