Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 3 4 5 2 3 4 5 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec2. Time required to traverse a distance of 1.5 m, is 40 sec 30 sec 15 sec 20 sec 40 sec 30 sec 15 sec 20 sec 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 3t³ - 2t 6t + 2 3t² + 2t 6t - 2 3t³ - 2t 6t + 2 3t² + 2t 6t - 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?i. 1.0 in from the wallii. 1.732 m from the walliii. 1.0 m above the flooriv. 1.732 m above the floorThe correct answer is (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a homogeneous body is the point at which the whole All listed here Weight of the body is assumed to be concentrated Volume of the body is assumed to be concentrated Area of the surface of the body is assumed to be concentrated All listed here Weight of the body is assumed to be concentrated Volume of the body is assumed to be concentrated Area of the surface of the body is assumed to be concentrated ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power developed by a torque, is 2πNT kg m/min All listed here 2πNT /60 watts 2πNT/4500 h.p 2πNT kg m/min All listed here 2πNT /60 watts 2πNT/4500 h.p ANSWER DOWNLOAD EXAMIANS APP