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 0.65 0.6 0.75 0.7 0.65 0.6 0.75 0.7 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is 80 N 100 N 60 N 120 N 80 N 100 N 60 N 120 N ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down None of these Change in momentum suffered by lead ball is less that of rubber ball Momentum of rubber ball is less than that of lead ball Rubber and lead balls undergo equal changes in momentum None of these Change in momentum suffered by lead ball is less that of rubber ball Momentum of rubber ball is less than that of lead ball Rubber and lead balls undergo equal changes in momentum ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in 8 sec 5 sec 20 sec 10 sec 8 sec 5 sec 20 sec 10 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The phenomenon of collision of two elastic bodies takes place because bodies All listed here Immediately after collision come momentarily to rest Attempt to regain its original shape due to their elasticities Tend to compress each other till they are compressed maximum possible All listed here Immediately after collision come momentarily to rest Attempt to regain its original shape due to their elasticities Tend to compress each other till they are compressed maximum possible ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In simple harmonic motion, acceleration of a particle is proportional to Rate of change of velocity Direction Velocity Displacement Rate of change of velocity Direction Velocity Displacement ANSWER DOWNLOAD EXAMIANS APP
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