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Engineering Mechanics

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

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

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Engineering Mechanics
The velocity ratio for the third system of pulleys is

n²
2n
n
2n - 1

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Engineering Mechanics
The force, by which the body is attracted, towards the center of the earth, is called

Impulsive force
Weight
Momentum
Mass

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Engineering Mechanics
Center of gravity of a thin hollow cone lies on the axis at a height of

One-fourth of the total height above base
One-half of the total height above base
One-third of the total height above base
Three-eighth of the total height above the base

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Engineering Mechanics
The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of

0.7 r
0.8 r
0.5 r
0.6 r

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Engineering Mechanics
The friction experienced by a body, when in motion, is known as

Limiting friction
Static friction
Rolling friction
Dynamic friction

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MORE MCQ ON Engineering Mechanics

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