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Engineering Mechanics

Engineering Mechanics
The units of moment of inertia of mass are

kg/m²
kg/m
kg-m²
m²/kg

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Engineering Mechanics
The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is

60° + β/2
β/2
45° + β/2
30° + β/2

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Engineering Mechanics
Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point

Twice
Thrice
Four times
Same as

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Engineering Mechanics
The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by

ω.r
ω/r
ω²/r
ω².r

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Engineering Mechanics
Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.

Downwards
Upwards
Horizontal
None of these

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Engineering Mechanics
The frequency of oscillation of a compound pendulum is (where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.)

1/2π. √(kG² + h²/gh)
2π. √(gh/kG² + h²)
2π. √(kG² + h²/gh)
1/2π. √(gh/kG² + h²)

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