Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is(i) 5000 Nm(ii) 5000 kg.m(iii) 5000 J All (i), (ii) and (iii) Both (i) and (iii) Both (ii) and (iii) Only (ii) All (i), (ii) and (iii) Both (i) and (iii) Both (ii) and (iii) Only (ii) 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 2n rpm n/2 rpm n/4 rpm n rpm 2n rpm n/2 rpm n/4 rpm n rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Angular acceleration of a particle may be expressed as All listed here Radians/sec² Degrees/sec² Revolutions/sec All listed here Radians/sec² Degrees/sec² Revolutions/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be 3 T 1/2 T √2 T 2 T 3 T 1/2 T √2 T 2 T ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Periodic time of body moving with simple harmonic motion, is Inversely proportional to its angular velocity Directly proportional to its angular velocity Inversely proportional to the square of its angular velocity Directly proportional to the square of its angular velocity Inversely proportional to its angular velocity Directly proportional to its angular velocity Inversely proportional to the square of its angular velocity Directly proportional to the square of its angular velocity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be equal to 100% less than 50% more than 66.67% more than 50% equal to 100% less than 50% more than 66.67% more than 50% ANSWER DOWNLOAD EXAMIANS APP
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