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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
The condition of equilibrium for any system of forces in a plane is

That resultant couple must be zero
That polygon of forces must close
None of these
Both (A) and (B)

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Applied Mechanics and Graphic Statics
M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is

π/32 (D⁴ - d⁴)
π/32 (D⁴ + d⁴)
π/64 (D⁴ + d⁴)
π/32 (D⁴ × d⁴)

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Applied Mechanics and Graphic Statics
The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is Applied Mechanics and Graphic Statics mcq question image

10.4 t
10.2 t
10.8 t
10.6 t

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Applied Mechanics and Graphic Statics
If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

10 rad/sec
5 rad/sec
20 rad/sec
20 rad/sec

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Applied Mechanics and Graphic Statics
Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is

30 kg
40 kg
50 kg
25 kg

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Applied Mechanics and Graphic Statics
A ball is dropped from a height of 16 m on a horizontal floor. If it rebounds to a height of 9 m after striking the floor, the coefficient of restitution between ball and floor is

43924
43864
43834
43894

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