Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t3 - 3l2 + 5. The ratio of the velocities after 5 sec and 3 sec will be 4 5 3 2 4 5 3 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first? Both reach the bottom simultaneously with equal rotational energy at bottom Sphere with lesser rotational energy at bottom than cylinder Cylinder with greater rotational energy at bottom than sphere Sphere with greater rotational energy at bottom than cylinder Both reach the bottom simultaneously with equal rotational energy at bottom Sphere with lesser rotational energy at bottom than cylinder Cylinder with greater rotational energy at bottom than sphere Sphere with greater rotational energy at bottom than cylinder ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If ‘r’ is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be [r (π + 0.25)]/(π - 0.5) [r (π + 0.25)]/(π + 0.5) [r (π - 0.25)]/(π - 0.5) [r (π - 0.5)]/(π + 0.25) [r (π + 0.25)]/(π - 0.5) [r (π + 0.25)]/(π + 0.5) [r (π - 0.25)]/(π - 0.5) [r (π - 0.5)]/(π + 0.25) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The time period of a simple pendulum depends on(i) Mass of suspended particle(ii) Length of the pendulum(iii) Acceleration due to gravity Both (i) and (iii) Only (i) Both (ii) and (iii) All are correct Both (i) and (iii) Only (i) Both (ii) and (iii) All are correct ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The C.G. of a thin hollow cone of height ‘h’, above its base lies on the axis, at a height of h/3 2h/3 h/4 3h/4 h/3 2h/3 h/4 3h/4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The characteristic of a couple is: All listed here Algebraic sum of forces, constituting a couple is zero A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same All listed here Algebraic sum of forces, constituting a couple is zero A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same ANSWER DOWNLOAD EXAMIANS APP