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 1.0 m 1.5 m 0.75 m 0.5 m 1.0 m 1.5 m 0.75 m 0.5 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.75 0.7 0.65 0.6 0.75 0.7 0.65 0.6 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity of a body fallen from height ‘h’, on reaching the ground is given by v = 2gh v = 1/√(2gh) v = √(2gh) v = 2gh² v = 2gh v = 1/√(2gh) v = √(2gh) v = 2gh² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In SI units, the units of force and energy are respectively Dyne and erg kg wt and joule Newton and watt Newton and joule Dyne and erg kg wt and joule Newton and watt Newton and joule ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of the forces acting on a body will be zero if the body Moves along a curved path Rotates Does not move at all Moves with variable velocity in a straight line Moves along a curved path Rotates Does not move at all Moves with variable velocity in a straight line ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P cos θ/2 P tan θ/2 2P sin θ/2 2P cos θ/2 P cos θ/2 P tan θ/2 2P sin θ/2 2P cos θ/2 ANSWER DOWNLOAD EXAMIANS APP