Applied Mechanics and Graphic Statics A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2A, the energy becomes 4E E 2E E/2 4E E 2E E/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body slides down an inclined surface, the acceleration (f) of the body, is given by f = g sin θ f = g tan θ f = g f = g cos θ f = g sin θ f = g tan θ f = g f = g cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is ½ l ¾ l 2/√3 l l/√2 ½ l ¾ l 2/√3 l l/√2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% equal to 100% more than 66.67% less than 50% more than 50% equal to 100% more than 66.67% less than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is 1500 meters 1000 meters 500 meters 2000 meters 1500 meters 1000 meters 500 meters 2000 meters ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Seconds pendulum executes 1.0 beat per second 0.5 beat per second 2.5 beats per second 2.0 beats per second 1.0 beat per second 0.5 beat per second 2.5 beats per second 2.0 beats per second ANSWER DOWNLOAD EXAMIANS APP