Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 2 J 8 J 4 J 6 J 2 J 8 J 4 J 6 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, is πd⁴/32 π/64 (D⁴ + d⁴) πd⁴/16 πd⁴/24 πd⁴/32 π/64 (D⁴ + d⁴) πd⁴/16 πd⁴/24 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Both (A) and (C) Always reduce to a couple Always reduce to a resultant force Be in equilibrium Both (A) and (C) Always reduce to a couple Always reduce to a resultant force Be in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is n/2 rpm n rpm n/4 rpm 2n rpm n/2 rpm n rpm n/4 rpm 2n rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.5 0.3 0.55 0.4 0.5 0.3 0.55 0.4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Instantaneous axis Instantaneous centre Virtual centre Point of rotation Instantaneous axis Instantaneous centre Virtual centre Point of rotation ANSWER DOWNLOAD EXAMIANS APP
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