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Engineering Mechanics

Engineering Mechanics
The velocity ratio of a first system of pulleys with 4 pulleys is

20
4
8
16

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

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

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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

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

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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
During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

Equal to
Greater than
Less than
Equal and opposite to

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Engineering Mechanics
The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by

ω².r
ω²/r
ω.r
ω/r

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MORE MCQ ON Engineering Mechanics

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