Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.3 0.5 0.4 0.55 0.3 0.5 0.4 0.55 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along The same line in opposite sense The same line in the same sense None of these The perpendicular to both the lines The same line in opposite sense The same line in the same sense None of these The perpendicular to both the lines ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is 0.75 m/sec² 1.25 m/sec² 1.00 m/sec² 0.5 m/sec² 0.75 m/sec² 1.25 m/sec² 1.00 m/sec² 0.5 m/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, theni. a force is required to move the body upwardsii. a force is required to move the body downwardiii. the body will not be in equilibriumThe correct answer is only (ii) only (i) both (i) and (ii) both (i) and (iii) only (ii) only (i) both (i) and (ii) both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of projection at which the horizontal range and maximum height of a projectile are equal to 56° 45° 36° 76° 56° 45° 36° 76° 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 0.1 radian/sec 1000 radian/sec 100 radian/sec 1 radian/sec 0.1 radian/sec 1000 radian/sec 100 radian/sec 1 radian/sec ANSWER DOWNLOAD EXAMIANS APP