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Engineering Mechanics

Engineering Mechanics
The rate of doing work is known as

None of these
Kinetic energy
Power
Potential energy

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Engineering Mechanics
The range of projectile on a downward inclined plane is ________ the range on upward inclined plane for the same velocity of projection and angle of projection.

Equal to
Less than
More than
None of These

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Engineering Mechanics
The slope on the road surface generally provided on the curves is known as

Angle of repose
Angle of friction
Angle of banking
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 = mW - C
P = C - mW
P = mW + C

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Engineering Mechanics
The coefficient of friction depends upon

All of these
Nature of surfaces
Area of contact
Shape of the surfaces

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Engineering Mechanics
The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.

Equal to
Less than
None of these
Greater than

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