Applied Mechanics and Graphic Statics At a given instant ship ‘A’ is travelling at 6 km/h due east and ship ‘B’ is travelling at 8 km/h due north. The velocity of ‘B’ relative to ‘A’ is 7 km/hrs 10 km/hrs 2 km/hrs 1 km/hrs 7 km/hrs 10 km/hrs 2 km/hrs 1 km/hrs ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum The mass of its bob should be doubled The mass of its bob should be quadrupled Its length should be quadrupled Its length should be doubled The mass of its bob should be doubled The mass of its bob should be quadrupled Its length should be quadrupled Its length should be doubled ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is 6 7i 8 8TC 4 6 7i 8 8TC 4 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 Remains constant whether its moves downwards or upwards Is less when the lift is moving upwards Is more when the lift is moving downwards Is less when the lift is moving downwards Remains constant whether its moves downwards or upwards Is less when the lift is moving upwards Is more when the lift is moving downwards ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Must be increased Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased Must be decreased Must be increased Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased Must be decreased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through 0.02 m 2.5 m 20 m 2 m 0.02 m 2.5 m 20 m 2 m ANSWER DOWNLOAD EXAMIANS APP