Applied Mechanics and Graphic Statics A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is 100 N 120 N 60 N 80 N 100 N 120 N 60 N 80 N ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is 1/3 2/3 3/5 1/5 1/3 2/3 3/5 1/5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through 0.02 m 2.5 m 20 m 2 m 0.02 m 2.5 m 20 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be sin (α + β)/sin (α - β) tan (α - β)/tan (α + β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) sin (α + β)/sin (α - β) tan (α - β)/tan (α + β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of friction is: The ratio of the friction and the normal reaction The force of friction at which the body is just about to move The force of friction when the body is in motion The angle between the normal reaction and the resultant of normal reaction and limiting friction The ratio of the friction and the normal reaction The force of friction at which the body is just about to move The force of friction when the body is in motion The angle between the normal reaction and the resultant of normal reaction and limiting friction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a triangle is at the point where three Bisectors of the angle of the triangle meet None of these Perpendicular bisectors of the sides of the triangle meet Medians of the triangle meet Bisectors of the angle of the triangle meet None of these Perpendicular bisectors of the sides of the triangle meet Medians of the triangle meet ANSWER DOWNLOAD EXAMIANS APP