Applied Mechanics and Graphic Statics If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called Negative work Virtual work Imaginary work Zero work Negative work Virtual work Imaginary work Zero work ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be 0.1 rad/sec 1 rad/sec 10 rad/sec 100 rad/sec 0.1 rad/sec 1 rad/sec 10 rad/sec 100 rad/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and None of these Concurrent Concurrent parallel Parallel None of these Concurrent Concurrent parallel Parallel ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.7 0.75 0.65 0.6 0.7 0.75 0.65 0.6 ANSWER DOWNLOAD EXAMIANS APP
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 Both (i) and (iii) All (i), (ii) and (iii) Both (ii) and (iii) Only (ii) Both (i) and (iii) All (i), (ii) and (iii) Both (ii) and (iii) Only (ii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘v’ and ‘ω’ are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius ‘r’, will be v²/r r/v² r/ω² ω²/r v²/r r/v² r/ω² ω²/r ANSWER DOWNLOAD EXAMIANS APP
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