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 √3 kg and √5 kg 2 kg and 3 kg 3 kg and 5 kg 1 kg and 4 kg √3 kg and √5 kg 2 kg and 3 kg 3 kg and 5 kg 1 kg and 4 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of vertical components of all the forces must be zero Algebraic sum of horizontal components of all the forces must be zero All (A), (B) and (C) Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of vertical components of all the forces must be zero Algebraic sum of horizontal components of all the forces must be zero All (A), (B) and (C) Algebraic sum of the moments of the forces about a point must be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be 1.5 m/sec 3.5 m/sec 2.5 m/sec 0.5 m/sec 1.5 m/sec 3.5 m/sec 2.5 m/sec 0.5 m/sec 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 6.25 kg 8.75 kg 5.5 kg 10.5 kg 6.25 kg 8.75 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is 30 60 80 50 30 60 80 50 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The locus of the instantaneous centre of a moving rigid body, is Centroid Spiral Straight line Involute Centroid Spiral Straight line Involute ANSWER DOWNLOAD EXAMIANS APP