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Engineering Mechanics

Engineering Mechanics
The coefficient of friction depends upon

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

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Engineering Mechanics
If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is

g/2
g/4
g/3
None of these

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Engineering Mechanics
The impact between two lead spheres is approximately equal to an __________ impact.

Inelastic
None of these
Solid
Elastic

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Engineering Mechanics
Whenever a force acts on a body and the body undergoes a displacement, then

Work is said to be done
Power is being transmitted
Body has kinetic energy of translation
None of these

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Engineering Mechanics
Center of gravity of a thin hollow cone lies on the axis at a height of

One-fourth of the total height above base
One-third of the total height above base
Three-eighth of the total height above the base
One-half of the total height above base

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Engineering Mechanics
The maximum frictional force which comes into play when a body just begins to slide over another surface is called

Limiting friction
Sliding friction
Kinematic friction
Rolling friction

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MORE MCQ ON Engineering Mechanics

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