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Engineering Mechanics

Engineering Mechanics
The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be

r/2
2r/3
r/A
3r/2

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Engineering Mechanics
The maximum height of a projectile on a horizontal plane, is

u² cos²α/2g
u² sin²α/g
u² sin²α/2g
u² cos²α/g

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

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

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Engineering Mechanics
If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body.

Changes periodically
Change
Does not change
None of these

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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

4.0 cm
5.0 cm
2.5 cm
3.0 cm

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Engineering Mechanics
In actual machines, mechanical advantage is _________ velocity ratio.

Equal to
None of these
Greater than
Less than

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MORE MCQ ON Engineering Mechanics

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