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Engineering Mechanics

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 center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.

8r/3
3r/ 8
3r/4π
4r/ 3π

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Engineering Mechanics
If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion,

P × m.a = 0
P/m.a = 0
P - m.a = 0
P + m.a = 0

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Engineering Mechanics
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is

db³/12
db³/36
bd³/12
bd³/36

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Engineering Mechanics
The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is

mr²/2
2mr²/3
2mr²/5
mr²

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Engineering Mechanics
A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span

5.0 cm
2.5 cm
3.0 cm
4.0 cm

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MORE MCQ ON Engineering Mechanics

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