Applied Mechanics and Graphic Statics The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are 1 kg and 4 kg 2 kg and 3 kg √3 kg and √5 kg 3 kg and 5 kg 1 kg and 4 kg 2 kg and 3 kg √3 kg and √5 kg 3 kg and 5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is 3 √5 m/sec 10 √5 m/sec 5 √3 m/sec 5 √10 m/sec 3 √5 m/sec 10 √5 m/sec 5 √3 m/sec 5 √10 m/sec 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 wl²/16d wl²/4d wl/4d wl²/8d wl²/16d wl²/4d wl/4d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Newton force, is 10⁵ dynes 10³ dynes 10⁶ dynes 10⁴ dynes 10⁵ dynes 10³ dynes 10⁶ dynes 10⁴ dynes ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and Concurrent parallel Parallel Concurrent None of these Concurrent parallel Parallel Concurrent None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down None of these Change in momentum suffered by lead ball is less that of rubber ball Rubber and lead balls undergo equal changes in momentum Momentum of rubber ball is less than that of lead ball None of these Change in momentum suffered by lead ball is less that of rubber ball Rubber and lead balls undergo equal changes in momentum Momentum of rubber ball is less than that of lead ball ANSWER DOWNLOAD EXAMIANS APP