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Engineering Mechanics

Engineering Mechanics
The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by

2P cotθ/2
2P sinθ/2
2P cosθ/2
2P tanθ/2

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Engineering Mechanics
A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

10
5
40
20

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

mr²/2
mr²
2mr²/3
2mr²/5

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Engineering Mechanics
The unit of angular velocity is

rad/s
Revolutions/min
m/min
Both (B) and (C)

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Engineering Mechanics
The velocity ratio for the first system of pulleys is (where n is the number of pulleys.)

n²
n
2n - 1
2n

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Engineering Mechanics
When a body falls freely under gravitational force, it possesses __________ weight.

Minimum
No
None of these
Maximum

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MORE MCQ ON Engineering Mechanics

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