Applied Mechanics and Graphic Statics A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be 10 m/sec 25 m/sec 20 m/sec 15 m/sec 10 m/sec 25 m/sec 20 m/sec 15 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then, Q = R P = R P = Q None of these Q = R P = R P = Q None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 25 5 1.5 314 25 5 1.5 314 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The apparent weight of a man in a moving lift is less than his real weight when it is going down with Uniform speed Linear momentum An acceleration Retardation Uniform speed Linear momentum An acceleration Retardation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is g/2 g/3 g/5 g/4 g/2 g/3 g/5 g/4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A weight of 100 kg is supported by a string whose ends are attached to pegs ‘A’ and ‘B’ at the same level shown in below figure. The tension in the string is 100 kg 50 kg 120 kg 750 kg 100 kg 50 kg 120 kg 750 kg ANSWER DOWNLOAD EXAMIANS APP
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