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Engineering Mechanics

Engineering Mechanics
One kg force is equal to

8.9 N
7.8 N
9.8 N
12 N

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Engineering Mechanics
The maximum frictional force which comes into play when a body just begins to slide over another surface is called

Kinematic friction
Limiting friction
Rolling friction
Sliding friction

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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
db³/36
db³/12
bd³/36

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Engineering Mechanics
The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is

None of these
a = α.r
a = r / α
a = α/ r

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Engineering Mechanics
The law of motion involved in the recoil of gun is

Newton's second law of motion
None of these
Newton's third law of motion
Newton's first law of motion

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Engineering Mechanics
The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is

D + d
D - d
D / d
D × d

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MORE MCQ ON Engineering Mechanics

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