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Engineering Mechanics

Engineering Mechanics
Static friction is always __________ dynamic friction.

None of these
Equal to
Less than
Greater than

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Engineering Mechanics
The moment of inertia of a square of side (a) about an axis through its center of gravity is

a4/12
a4/36
a4/4
a4/8

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Engineering Mechanics
If a number of forces are acting at a point, their resultant is given by

√[(∑V)2 + (∑H)2]
√[(∑V)2 +(∑H)2 +2(∑V)(∑H)]
(∑V)2 + (∑H)2
(∑V)2 +(∑H)2 +2(∑V)(∑H)

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Engineering Mechanics
The forces, which meet at one point, but their lines of action do not lie in a plane, are called

Coplanar non-concurrent forces
Non-coplanar concurrent forces
Non-coplanar non-concurrent forces
Intersecting forces

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Engineering Mechanics
When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.

Towards back
Towards front
Outward
Inward

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Engineering Mechanics
The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is

20 cm4
12 cm4
9 cm4
16 cm4

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MORE MCQ ON Engineering Mechanics

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