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 5 2 3 4 5 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angular distance, 0 = 2t³ ‑ 3t², the angular acceleration at t = 1 sec. is 4 rad/sec² 6 rad/sec² 1 rad/sec² 12 rad/sec² 4 rad/sec² 6 rad/sec² 1 rad/sec² 12 rad/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are Circle and straight line Straight line and parabola Straight line and circle Circle and parabola Circle and straight line Straight line and parabola Straight line and circle Circle and parabola 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 (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is 43894 43926 43895 43954 43894 43926 43895 43954 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The practical units of work, is Erg Joule Newton Dyne Erg Joule Newton Dyne ANSWER DOWNLOAD EXAMIANS APP