Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is None of these That polygon of forces must close That resultant couple must be zero Both (A) and (B) None of these That polygon of forces must close That resultant couple must be zero Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 4 J 2 J 8 J 6 J 4 J 2 J 8 J 6 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g2/g1 g1 g2 g1/g2 g2/g1 g1 g2 g1/g2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of force in C.G.S. system of units, is called Dyne Newton Kg All of these Dyne Newton Kg All of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘v’ and ‘ω’ are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius ‘r’, will be r/ω² v²/r r/v² ω²/r r/ω² v²/r r/v² ω²/r ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P cos θ/2 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 ANSWER DOWNLOAD EXAMIANS APP