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Engineering Mechanics

Engineering Mechanics
The force, by which the body is attracted, towards the center of the earth, is called

Weight
Impulsive force
Momentum
Mass

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Engineering Mechanics
The maximum efficiency of a screw jack is

(1 - sinφ)/(1 + sinφ)
(1 + tanφ)/(1 - tanφ)
(1 - tanφ)/(1 + tanφ)
(1 + sinφ)/(1 - sinφ)

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

Kilogram
Newton
Watt
Dyne

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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

6t² - 8t
3t² + 2t
6f - 8
6f - 4

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Engineering Mechanics
Moment of inertia is the

Second moment of force
Second moment of area
Second moment of mass
All of these

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

Less than
None of these
Greater than
Equal to

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MORE MCQ ON Engineering Mechanics

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