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Engineering Mechanics

Engineering Mechanics
The unit of work in S.I. units is

kg-m
Newton
erg
joule

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Engineering Mechanics
The units of moment of inertia of mass are

kg/m
m²/kg
kg-m²
kg/m²

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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 periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity.

None of these
Directly
Square root
Inversely

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Engineering Mechanics
The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is

(4p² - q²)/6
(p² - q²)/4
(p² + q²)/4
[√(4p² - q²)]/6

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Engineering Mechanics
Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.)

v2 = u2 + 2a.s
v = u + a.t
s = u.t + ½ a.t2
All of these

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