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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
Cartesian form of the equation of catenary is

y = c cosh x/c
y = c sinh x/c
y = c tan x/c
y = c sin x/c

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Applied Mechanics and Graphic Statics
The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth)

log r
r2
1/r
r

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Applied Mechanics and Graphic Statics
A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is

4
8TC
6 7i
8

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Applied Mechanics and Graphic Statics
A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is

19° 48'
18° 48'
17° 48'
20° 48'

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Applied Mechanics and Graphic Statics
The vertical reaction at the support ‘A’ of the structure shown in below figure, is Applied Mechanics and Graphic Statics mcq question image

4 t
5 t
2 t
3 t

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Applied Mechanics and Graphic Statics
The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are

√3 kg and √5 kg
2 kg and 3 kg
3 kg and 5 kg
1 kg and 4 kg

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