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Engineering Mechanics

Engineering Mechanics
The units of moment of inertia of mass are

m²/kg
kg/m²
kg-m²
kg/m

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

20
8
4
16

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Engineering Mechanics
The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplanar concurrent forces.

Do not lie
None of these
Either A or B
Lie

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Engineering Mechanics
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

30°
120°
60°
90°

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Engineering Mechanics
Static friction is always __________ dynamic friction.

Less than
Equal to
None of these
Greater than

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Engineering Mechanics
A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction.

Not be effected
Decrease
None of these
Increase

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