Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P tan θ/2 2P cos θ/2 2P sin θ/2 P cos θ/2 P tan θ/2 2P cos θ/2 2P sin θ/2 P cos θ/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum The mass of its bob should be quadrupled The mass of its bob should be doubled Its length should be quadrupled Its length should be doubled The mass of its bob should be quadrupled The mass of its bob should be doubled Its length should be quadrupled Its length should be doubled ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The intrinsic equation of catenary is y = c cosh ψ S = c tan ψ y = c sinh ψ y = c cosh x/c y = c cosh ψ S = c tan ψ y = c sinh ψ y = c cosh x/c ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’, is √(P² + Q² + 2PQ cos θ) P² + Q² + 2PQ tan θ P² + Q² + 2PQ cos θ P² + Q² + 2P sin θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2PQ tan θ P² + Q² + 2PQ cos θ P² + Q² + 2P sin θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/8d wl²/4d wl/4d wl²/16d wl²/8d wl²/4d wl/4d wl²/16d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is 1.5 m 1.0 m 0.5 m 0.75 m 1.5 m 1.0 m 0.5 m 0.75 m ANSWER DOWNLOAD EXAMIANS APP