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Engineering Mechanics

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

2πN/180
2πN/60
πN/180
πN/60

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Engineering Mechanics
The point, through which the whole weight of the body acts, irrespective of its position, is known as

Center of percussion
Moment of inertia
Center of mass
Center of gravity

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Engineering Mechanics
The unit of force in S.I. system of units is

Kilogram
Dyne
Watt
Newton

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Engineering Mechanics
The velocity of a body on reaching the ground from a height h, is

√(gh)
2.√(gh)
2g.√h
√(2gh)

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Engineering Mechanics
The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is

ml2/4
ml2/ 6
ml2/12
ml2/8

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Engineering Mechanics
A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span

5.0 cm
2.5 cm
4.0 cm
3.0 cm

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MORE MCQ ON Engineering Mechanics

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