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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is

2mr²/5
3mr²/5
mr²/3
2mr²/3

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Engineering Mechanics
The velocity ratio for the third system of pulleys is

n
n²
2n - 1
2n

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Engineering Mechanics
The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

Static friction
Coefficient of friction
Dynamic friction
Limiting friction

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Engineering Mechanics
Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are

15 N and 5 N
15 N and 15 N
None of these
20 N and 5 N

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Engineering Mechanics
The law of motion involved in the recoil of gun is

None of these
Newton's first law of motion
Newton's third law of motion
Newton's second law of motion

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Engineering Mechanics
If a body is acted upon by a number of coplanar non-concurrent forces, it may

Move in any one direction rotating about itself
All of these
Be completely at rest
Rotate about itself without moving

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MORE MCQ ON Engineering Mechanics

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