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Engineering Mechanics

Engineering Mechanics
One kg force is equal to

9.8 N
8.9 N
7.8 N
12 N

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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 a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.

Less than
None of these
Equal to
More than

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Engineering Mechanics
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

bd³/12
db³/12
db³/36
bd³/36

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Engineering Mechanics
When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.

Inward
Towards front
Outward
Towards back

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Engineering Mechanics
The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by

T.ω (in watts)
T.ω/75 (in kilowatts)
T.ω/4500 (in kilowatts)
T.ω/60 (in watts)

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