Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 2 3 4 5 2 3 4 5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body slides down an inclined surface, the acceleration (f) of the body, is given by f = g sin θ f = g f = g tan θ f = g cos θ f = g sin θ f = g f = g tan θ f = g cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium Both force polygon and funicular polygon must close Only the closure of force polygon is sufficient None of these Only the closure of funicular polygon is sufficient Both force polygon and funicular polygon must close Only the closure of force polygon is sufficient None of these Only the closure of funicular polygon is sufficient 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 5 √3 m/sec 10 √5 m/sec 5 √10 m/sec 3 √5 m/sec 5 √3 m/sec 10 √5 m/sec 5 √10 m/sec 3 √5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along The same line in the same sense None of these The perpendicular to both the lines The same line in opposite sense The same line in the same sense None of these The perpendicular to both the lines The same line in opposite sense ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by 5.5 kg 10.5 kg 8.75 kg 6.25 kg 5.5 kg 10.5 kg 8.75 kg 6.25 kg ANSWER DOWNLOAD EXAMIANS APP
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