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Engineering Mechanics

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

120°
30°
90°
60°

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Engineering Mechanics
The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by

ω/r
ω².r
ω.r
ω²/r

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Engineering Mechanics
A screw jack used for lifting the loads is

A non-reversible machine
A reversible machine
An ideal machine
None of these

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Engineering Mechanics
If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is _________ the momentum of body having mass m2.

Greater than
Equal to
None of these
Less than

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Engineering Mechanics
A particle moves along a straight line such that distance (x) traversed in 't' seconds is given by x = t² (t - 4), the acceleration of the particle will be given by the equation

3t² + 2t
6t² - 8t
6f - 8
6f - 4

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Engineering Mechanics
A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of

r/2
r/A
r/3
0.134 r

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MORE MCQ ON Engineering Mechanics

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