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Engineering Mechanics

Engineering Mechanics
The rate of doing work is known as

Power
Potential energy
Kinetic energy
None of these

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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 = C - mW
P = mW - C
P = mW + C

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Engineering Mechanics
Concurrent forces are those forces whose lines of action

Lie on the same line
None of these
Meet on the same plane
Meet at one point

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Engineering Mechanics
The unit of force in S.I. system of units is

Dyne
Newton
Watt
Kilogram

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Engineering Mechanics
The velocity of a particle moving with simple harmonic motion is _________ at the mean position.

Maximum
Minimum
Zero
None of these

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Engineering Mechanics
When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is

mv2
0.5 mgv2
mgv2
0.5 mv2

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