Applied Mechanics and Graphic Statics A particle moves in a straight line and its position is defined by the equation x = 6 t² - t3 where t is expressed in seconds and ‘x’ in meters. The maximum velocity during the motion is 6 m/sec 12 m/sec 48 m/sec 24 m/sec 6 m/sec 12 m/sec 48 m/sec 24 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force acting on a point on the surface of a rigid body may be considered to act On any point on the line of action of the force At any point on the surface normal to the line of action of the force At the centre of gravity of the body On the periphery of the body On any point on the line of action of the force At any point on the surface normal to the line of action of the force At the centre of gravity of the body On the periphery of the body ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is more stable ? prism both equally stable None of these pyramid prism both equally stable None of these pyramid 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 ω²/r v²/r r/v² r/ω² ω²/r v²/r r/v² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is 12.88 m/sec 5.88 m/sec 8.88 m/sec 10.88 m/sec 12.88 m/sec 5.88 m/sec 8.88 m/sec 10.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In case of S.H.M. the period of oscillation (T), is given by T = 2ω/π² T = 2/ω T = π/2ω T = 2π/ω T = 2ω/π² T = 2/ω T = π/2ω T = 2π/ω ANSWER DOWNLOAD EXAMIANS APP
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