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Engineering Mechanics

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

n²
2n - 1
2n
n

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Engineering Mechanics
When two elastic bodies collide with each other,

The two bodies tend to compress and deform at the surface of contact
The two bodies will momentarily come to rest after collision
All of these
The two bodies begin to regain their original shape

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Engineering Mechanics
If a number of forces are acting at a point, their resultant will be inclined at an angle 'θ' with the horizontal, such that

tanθ = √(ΣV + ΣH)
tanθ = ΣV/ΣH
tanθ = ΣV × ΣH
tanθ = ΣH/ΣV

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Engineering Mechanics
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

bh3/8
bh3/12
bh3/36
bh3/4

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Engineering Mechanics
If the gravitational acceleration at any place is doubled, then the weight of a body will be

2g
√2.g
g
g/2

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Engineering Mechanics
The motion of a particle round a fixed axis is

Circular
Rotary
Translatory as well as rotary
Translatory

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MORE MCQ ON Engineering Mechanics

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