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Engineering Mechanics

Engineering Mechanics
The horizontal range of a projectile (R) is given by

R = u² cosα/g
R = u² cos2α/g
R = u² sin2α/g
R = u² sinα/g

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Engineering Mechanics
The acceleration of a particle moving with simple harmonic motion is __________ at the mean position.

None of these
Minimum
Maximum
Zero

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Engineering Mechanics
According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through center of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.)

IP = Ah2 / IG
IP = IG / Ah2
IP = IG - Ah2
IP = IG + Ah2

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Engineering Mechanics
A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of

r/3
r/2
0.134 r
r/A

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Engineering Mechanics
The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as

Coplanar concurrent forces
Like parallel forces
Unlike parallel forces
Coplanar non-concurrent forces

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Engineering Mechanics
A cable with a uniformly distributed load per horizontal meter run will take the following shape

Hyperbola
Elliptical
Straight line
Parabola

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MORE MCQ ON Engineering Mechanics

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