Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Instantaneous centre Instantaneous axis Point of rotation Virtual centre Instantaneous centre Instantaneous axis Point of rotation Virtual centre ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The torque produced by a force depends on (i) The magnitude of the force (ii) The direction of the force (iii) The point of application of the force relative to origin Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moves along a straight line such that distance ‘x’ traversed in ‘t’ seconds is given by x = t²(t + 1), the acceleration of the particle, will be 3t² + 2t 6t - 2 3t³ - 2t 6t + 2 3t² + 2t 6t - 2 3t³ - 2t 6t + 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The bending moment in an arch is proportional to Vertical ordinate of the arch Intercept between the arch axis and the funicular polygon Vertical ordinate of funicular polygon None of these Vertical ordinate of the arch Intercept between the arch axis and the funicular polygon Vertical ordinate of funicular polygon None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The characteristic of a couple is: Algebraic sum of moments of forces, constituting a couple, about any point, is same A couple can be never the balanced by a single force Algebraic sum of forces, constituting a couple is zero All listed here Algebraic sum of moments of forces, constituting a couple, about any point, is same A couple can be never the balanced by a single force Algebraic sum of forces, constituting a couple is zero All listed here ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth) 1/r r log r r2 1/r r log r r2 ANSWER DOWNLOAD EXAMIANS APP