Applied Mechanics and Graphic Statics A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be 4E E/2 2E E 4E E/2 2E E 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 0.6 0.75 0.65 0.7 0.6 0.75 0.65 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angular distance, 0 = 2t³ ‑ 3t², the angular acceleration at t = 1 sec. is 1 rad/sec² 6 rad/sec² 4 rad/sec² 12 rad/sec² 1 rad/sec² 6 rad/sec² 4 rad/sec² 12 rad/sec² ANSWER DOWNLOAD EXAMIANS APP
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 Virtual work Negative work Imaginary work Zero work Virtual work Negative work Imaginary work Zero work ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angular speed of a car while taking a circular turn of radius 100 m at 36 km/hour, is 1 radian/sec 100 radian/sec 0.1 radian/sec 1000 radian/sec 1 radian/sec 100 radian/sec 0.1 radian/sec 1000 radian/sec 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 100 N 80 N 60 N 120 N 100 N 80 N 60 N 120 N ANSWER DOWNLOAD EXAMIANS APP