Applied Mechanics and Graphic Statics On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts Perpendicular to the wall at its upper end Upwards at its upper end Downwards at its upper end Zero at its upper end Perpendicular to the wall at its upper end Upwards at its upper end Downwards at its upper end Zero at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Point of rotation Virtual centre Instantaneous axis Instantaneous centre Point of rotation Virtual centre Instantaneous axis Instantaneous centre ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Free body diagram is an Isolated joint with all the forces, internal as well as external, acting on it Isolated joint with internal forces acting on it None of these Isolated joint with only body forces acting on it Isolated joint with all the forces, internal as well as external, acting on it Isolated joint with internal forces acting on it None of these Isolated joint with only body forces acting on it ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is not a law of static friction: The force of friction depends upon the roughness of the surface The force of friction is dependent upon the area of contact The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction depends upon the roughness of the surface The force of friction is dependent upon the area of contact The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction always acts in a direction opposite to that in which the body tends to move ANSWER DOWNLOAD EXAMIANS APP
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 3 kg and 5 kg √3 kg and √5 kg 2 kg and 3 kg 1 kg and 4 kg 3 kg and 5 kg √3 kg and √5 kg 2 kg and 3 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A flywheel of moment of inertia 20 kg.m is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian per second is 43892 3 2 43832 43892 3 2 43832 ANSWER DOWNLOAD EXAMIANS APP