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Engineering Mechanics

Engineering Mechanics
If the body falls freely under gravity, then the gravitational acceleration is taken as

-8.9 m/s2
+8.9 m/s2
+9.8 m/s2
-9.8 m/s2

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Engineering Mechanics
When two elastic bodies collide with each other,

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

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Engineering Mechanics
The point, through which the whole weight of the body acts, irrespective of its position, is known as

Moment of inertia
Center of mass
Center of gravity
Center of percussion

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Engineering Mechanics
The unit of moment of inertia of an area is

m4
kg-m-s2
kg-m2
kg/m2

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Engineering Mechanics
Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.)

v = u + a.t
All of these
v2 = u2 + 2a.s
s = u.t + ½ a.t2

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Engineering Mechanics
The unit of angular velocity is

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

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MORE MCQ ON Engineering Mechanics

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