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Engineering Mechanics

Engineering Mechanics
The time of flight (t) of a projectile on a horizontal plane is given by

t = 2u. tanα/g
t = 2u. cosα/g
t = 2u/g.sinα
t = 2u. sinα/g

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Engineering Mechanics
The force, by which the body is attracted, towards the center of the earth, is called

Weight
Impulsive force
Mass
Momentum

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Engineering Mechanics
When the lift is moving upwards with some acceleration, the pressure exerted by a man is __________ to its acceleration.

Inversely proportional
Directly proportional
None of these
Cube root

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Engineering Mechanics
The centre of gravity of a uniform lamina lies at

The midpoint of its axis
The bottom surface
All of these
The centre of heavy portion

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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.

Either A or B
Lie
Do not lie
None of these

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Engineering Mechanics
A force while acting on a body may

All of these
Change its motion
Balance the forces, already acting on it
Give rise to the internal stresses in it

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MORE MCQ ON Engineering Mechanics

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