Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is That resultant couple must be zero That polygon of forces must close Both (A) and (B) None of these That resultant couple must be zero That polygon of forces must close Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be 200 tonnes at the right support 200 tonnes at the centre 500 tonnes at the centre 200 tonnes at the left support 200 tonnes at the right support 200 tonnes at the centre 500 tonnes at the centre 200 tonnes at the left support ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be less than 50% more than 50% more than 66.67% equal to 100% less than 50% more than 50% more than 66.67% equal to 100% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec²) 40 m/sec 25 m/sec 15 m/sec 50 m/sec 40 m/sec 25 m/sec 15 m/sec 50 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is 64 J 464 J 89 J 400 J 64 J 464 J 89 J 400 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is 59° 57° 60° 58° 59° 57° 60° 58° ANSWER DOWNLOAD EXAMIANS APP
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