Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are 5 m/sec and 0 5√3 m/sec and 0 5 and 5√3 m/sec 0 and 5 m/sec 5 m/sec and 0 5√3 m/sec and 0 5 and 5√3 m/sec 0 and 5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body is said to move with Simple Harmonic Motion if its acceleration, is Proportional to the square of the distance from the point of reference Inversely proportion to the distance from the point of reference Proportional to the distance from the point of reference and directed towards it Always directed away from the centre, the point of reference Proportional to the square of the distance from the point of reference Inversely proportion to the distance from the point of reference Proportional to the distance from the point of reference and directed towards it Always directed away from the centre, the point of reference 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 √2 T 3 T 2 T 1/2 T √2 T 3 T 2 T 1/2 T 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 8TC 8 6 7i 4 8TC 8 6 7i 4 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/4 rpm n rpm 2n rpm n/2 rpm n/4 rpm n rpm 2n rpm n/2 rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The tension in a cable supporting a lift 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 Is less when the lift is moving downwards Is more when the lift is moving downwards ANSWER DOWNLOAD EXAMIANS APP