Applied Mechanics and Graphic Statics The centre of gravity of a homogeneous body is the point at which the whole All listed here Volume of the body is assumed to be concentrated Area of the surface of the body is assumed to be concentrated Weight of the body is assumed to be concentrated All listed here Volume of the body is assumed to be concentrated Area of the surface of the body is assumed to be concentrated Weight of the body is assumed to be concentrated ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power can be expressed as Work × time Work/energy Work/time Work/distance Work × time Work/energy Work/time Work/distance ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to Original velocity in the opposite direction Half the original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the same direction Original velocity in the opposite direction Half the original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the same direction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is 5 √10 m/sec 3 √5 m/sec 10 √5 m/sec 5 √3 m/sec 5 √10 m/sec 3 √5 m/sec 10 √5 m/sec 5 √3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The tension in a cable supporting a lift Is less when the lift is moving downwards Is more when the lift is moving downwards Is less when the lift is moving upwards Remains constant whether its moves downwards or upwards Is less when the lift is moving downwards Is more when the lift is moving downwards Is less when the lift is moving upwards Remains constant whether its moves downwards or upwards ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of power are. M’L’T3 M’L-‘T* M’L’r2 M’L2T2 M’L’T3 M’L-‘T* M’L’r2 M’L2T2 ANSWER DOWNLOAD EXAMIANS APP
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