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Engineering Mechanics

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

Compound pendulum
Torsional pendulum
Simple pendulum
Second's pendulum

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Engineering Mechanics
The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is

mr²
2mr²/5
mr²/2
2mr²/3

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Engineering Mechanics
The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

2πN/180
πN/180
πN/60
2πN/60

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

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Engineering Mechanics
The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)

P = m/W + C
P = mW - C
P = C - mW
P = mW + C

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Engineering Mechanics
Static friction is always __________ dynamic friction.

None of these
Less than
Equal to
Greater than

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MORE MCQ ON Engineering Mechanics

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