Applied Mechanics and Graphic Statics A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is 1.0 m 1.5 m 0.75 m 0.5 m 1.0 m 1.5 m 0.75 m 0.5 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is: 60 g 80 g 40 g 100 g 60 g 80 g 40 g 100 g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ? 1/10000 1 100 1/100 1/10000 1 100 1/100 ANSWER DOWNLOAD EXAMIANS APP
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 0.33 0.44 0.57 0.67 0.33 0.44 0.57 0.67 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 314 25 5 1.5 314 25 5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is None of these (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) (b² + bc + c²)/3 (b + c) None of these (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) (b² + bc + c²)/3 (b + c) ANSWER DOWNLOAD EXAMIANS APP