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Engineering Mechanics

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

g
2g
g/2
√2.g

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Engineering Mechanics
The angle between two forces when the resultant is maximum and minimum respectively are

90° and 0°
180° and 0°
0° and 180°
90° and 180°

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Engineering Mechanics
The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is

3mr²/5
3mr²/10
4mr²/5
2mr²/5

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Engineering Mechanics
The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

πN/180
πN/60
2πN/60
2πN/180

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Engineering Mechanics
The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

Less than
Equal to
None of these
Greater than

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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°
90°
60°
120°

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MORE MCQ ON Engineering Mechanics

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