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 15 sec 20 sec 40 sec 30 sec 15 sec 20 sec 40 sec 30 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 0.50 0.25 0.75 1.0 0.50 0.25 0.75 1.0 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A rigid body is in a stable equilibrium if the application of any force None of above Neither raises nor lowers the CG of the body Can raise the CG of the body but cannot lower it Tends to lower the CG of the body None of above Neither raises nor lowers the CG of the body Can raise the CG of the body but cannot lower it Tends to lower the CG of the body ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is 2π √(α - θ) (1/2π) √(α/θ) 2π √(α/θ) 4π √(α/θ) 2π √(α - θ) (1/2π) √(α/θ) 2π √(α/θ) 4π √(α/θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is l/√2 ¾ l ½ l 2/√3 l l/√2 ¾ l ½ l 2/√3 l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is bh³/2 b³h/12 bh³/36 bh³/3 bh³/2 b³h/12 bh³/36 bh³/3 ANSWER DOWNLOAD EXAMIANS APP