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Engineering Mechanics

Engineering Mechanics
The angle between two forces when the resultant is maximum and minimum respectively are

0° and 180°
90° and 0°
90° and 180°
180° and 0°

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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/4
None of these
g/3
g/2

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Engineering Mechanics
The point, through which the whole weight of the body acts, irrespective of its position, is known as

Moment of inertia
Center of mass
Center of percussion
Center of gravity

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Engineering Mechanics
If n = number of members and y = number of joints, then for a perfect frame, n = ?

43892
43832
43864
43865

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Engineering Mechanics
The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.)

2π/ω
π/ω
ω/2π
2π × ω

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Engineering Mechanics
The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be

L/2
3L/4
2L/3
L/3

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MORE MCQ ON Engineering Mechanics

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