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 8 J 2 J 4 J 6 J 8 J 2 J 4 J 6 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is 12.88 m/sec 10.88 m/sec 8.88 m/sec 5.88 m/sec 12.88 m/sec 10.88 m/sec 8.88 m/sec 5.88 m/sec 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 π/64 (D⁴ + d⁴) πd⁴/24 πd⁴/16 πd⁴/32 π/64 (D⁴ + d⁴) πd⁴/24 πd⁴/16 πd⁴/32 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In SI units, the units of force and energy are respectively kg wt and joule Dyne and erg Newton and joule Newton and watt kg wt and joule Dyne and erg Newton and joule Newton and watt ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately 500 watts 4000 watts None of these 400 watts 500 watts 4000 watts None of these 400 watts ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum pull in a suspended cable with supports at two ends is equal to Horizontal thrust Resultant of horizontal thrust and support reaction Support reactions Half the weight of the cable Horizontal thrust Resultant of horizontal thrust and support reaction Support reactions Half the weight of the cable ANSWER DOWNLOAD EXAMIANS APP
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