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Engineering Mechanics

Engineering Mechanics
A smooth cylinder lying on its convex surface remains in __________ equilibrium.

None of these
Stable
Neutral
Unstable

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Engineering Mechanics
The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

Less than
Equal to
None of these
Greater than

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Engineering Mechanics
A particle moves along a straight line such that distance (x) traversed in 't' seconds is given by x = t² (t - 4), the acceleration of the particle will be given by the equation

3t² + 2t
6f - 4
6f - 8
6t² - 8t

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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.

Less than
Greater than
Equal to
None of these

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Engineering Mechanics
In ideal machines, mechanical advantage is __________ velocity ratio.

None of these
Equal to
Less than
Greater than

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Engineering Mechanics
The efficiency of a lifting machine is the ratio of

Mechanical advantage to the velocity ratio
All of these
Work done by the machine to the work done on the machine
Output to the input

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MORE MCQ ON Engineering Mechanics

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