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Engineering Mechanics

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

Same as
Thrice
Twice
Four times

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Engineering Mechanics
A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction.

Decrease
Not be effected
Increase
None of these

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Engineering Mechanics
The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is

tanθ
cosθ
sinθ
cosecθ

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Engineering Mechanics
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

bd³/12
db³/12
bd³/36
db³/36

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Engineering Mechanics
The units of moment of inertia of mass are

kg-m²
m²/kg
kg/m
kg/m²

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Engineering Mechanics
The process of finding out the resultant force is called __________ of forces.

None of these
Decomposition
Resolution
Composition

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