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“If anumber of coplanar forces acting on a particle are in equilibrium, then the algebraic
sum of their moments about any point is equal to the moment of their resultant force
about the same point” is

A) Lami’s theorem B) Cauchy’s theorem
C) Euler’s theorem D) Varignon’s theorem

. Resultant of two forces F and 2F which are at an angle of 60 degree apart is

A) V7P 8) ‏ره لہ‎ V3P று 42

The moment (M) of the force (P) acting on the body at a distance R from the axis of
rotation is represented by

A) M=PR cos@ B) ۱۷۸ ‏۳ء‎ 6 C) M=PxRcos@ 0( ۱۷۸۷۸ ‏ءء‎ ۵6

From what distance from the base, along the vertical axis, is the centre of gravity of
a right circular solid cone ?

‎B) h/4 0) 16 ഉ) 8‏ ۶ھ

‎If m < 2] — 3, where m is the number of members and j is the number of joints, the
frame is a

‎A) Redundant frame B) Prefect frame
C) Deficient frame D) Rigid frame

‎The diameter of a circular plate is 20 cm. What will be its radius of gyration ?
A) 5cm B) 8cm C) 10cm 0) 12.5 ना)

‎The mass of a solid sphere is 2 kg and its radius is 10 cm. Its moment of inertia about
its central axis is

‎A) 0.005 kgm? B) 0.006 kgm? C) 0.008 kgm? D) 0.01 kgm?

‎According to perpendicular axis theorem, the moment of inertia about an axis zz,
which is perpendicular to xx and yy is

‎A) baz = ha + hy 8) ७5७८८ 9५ 0) ७51५, - ‏حم - يرا )0 هرا‎
yw
Which of the following is not a surface force ?
A) Frictional force B) Viscous force
C) Traction D) Centrifugal force
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