Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is That polygon of forces must close None of these That resultant couple must be zero Both (A) and (B) That polygon of forces must close None of these That resultant couple must be zero Both (A) and (B) 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 5 sec 10 sec 8 sec 20 sec 5 sec 10 sec 8 sec 20 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is wl/2y wl/8y wl/4y wl wl/2y wl/8y wl/4y wl ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple harmonic motion, the position of equilibrium is always Stable None of these Neutral Unstable Stable None of these Neutral Unstable ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is 4 8 8TC 6 7i 4 8 8TC 6 7i ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be equal to 100% more than 66.67% more than 50% less than 50% equal to 100% more than 66.67% more than 50% less than 50% ANSWER DOWNLOAD EXAMIANS APP
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