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Engineering Mechanics

Engineering Mechanics
Moment of inertia of a circular section about an axis perpendicular to the section is

πd4/64
πd4/32
πd3/32
πd3/16

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Engineering Mechanics
A pendulum which executes one beat per second is known as

Compound pendulum
Second's pendulum
Simple pendulum
Torsional pendulum

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Engineering Mechanics
The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as

Newton's third law of motion
Newton's second law of motion
None of these
Newton's first law of motion

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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 moment of inertia of a solid cylinder of mass 'm', radius 'r' and length 'l' about the longitudinal axis or polar axis is

mr²/8
mr²/2
mr²/4
mr²/6

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Engineering Mechanics
The maximum mechanical advantage of a lifting machine is

1 + m
m
1 - m
1 / m

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