Applied Mechanics and Graphic Statics A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is 0.75 m 1.5 m 0.5 m 1.0 m 0.75 m 1.5 m 0.5 m 1.0 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Newton is equivalent to 1 kg. wt 981 dyne 9.81 kg. wt 1/9.81 kg. wt 1 kg. wt 981 dyne 9.81 kg. wt 1/9.81 kg. wt ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth) r2 1/r log r r r2 1/r log r r 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 10.5 kg 6.25 kg 8.75 kg 5.5 kg 10.5 kg 6.25 kg 8.75 kg 5.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of friction is: The force of friction when the body is in motion The force of friction at which the body is just about to move The ratio of the friction and the normal reaction The angle between the normal reaction and the resultant of normal reaction and limiting friction The force of friction when the body is in motion The force of friction at which the body is just about to move The ratio of the friction and the normal reaction The angle between the normal reaction and the resultant of normal reaction and limiting friction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A point subjected to a number of forces will be in equilibrium, if Algebraic sum of the forces is zero Sum of resolved parts in any two directions at right angles, are both zero Two resolved parts in any two directions at right angles are equal Algebraic sum of the moments of the forces about the point is zero Algebraic sum of the forces is zero Sum of resolved parts in any two directions at right angles, are both zero Two resolved parts in any two directions at right angles are equal Algebraic sum of the moments of the forces about the point is zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS