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Engineering Mechanics

Engineering Mechanics
Static friction is always __________ dynamic friction.

None of these
Equal to
Greater than
Less than

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Engineering Mechanics
The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is

ml2/8
ml2/4
ml2/12
ml2/ 6

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Engineering Mechanics
If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion,

P × m.a = 0
P - m.a = 0
P/m.a = 0
P + m.a = 0

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Engineering Mechanics
In ideal machines, mechanical advantage is __________ velocity ratio.

Equal to
None of these
Greater than
Less than

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Engineering Mechanics
The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is

(kG² + h²)/h²
h/(kG² + h²)
h²/(kG² + h²)
(kG² + h²)/h

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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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