Applied Mechanics and Graphic Statics A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is 0.67 0.57 0.33 0.44 0.67 0.57 0.33 0.44 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Always reduce to a couple Be in equilibrium Always reduce to a resultant force Both (A) and (C) Always reduce to a couple Be in equilibrium Always reduce to a resultant force Both (A) and (C) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Which of the following is a scalar quantity? Energy Torque Momentum Impulse Energy Torque Momentum Impulse ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/8d wl/4d wl²/16d wl²/4d wl²/8d wl/4d wl²/16d wl²/4d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A weight of 100 kg is supported by a string whose ends are attached to pegs ‘A’ and ‘B’ at the same level shown in below figure. The tension in the string is 50 kg 750 kg 100 kg 120 kg 50 kg 750 kg 100 kg 120 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be 200 tonnes at the centre 200 tonnes at the left support 200 tonnes at the right support 500 tonnes at the centre 200 tonnes at the centre 200 tonnes at the left support 200 tonnes at the right support 500 tonnes at the centre ANSWER DOWNLOAD EXAMIANS APP