Applied Mechanics and Graphic Statics A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is 0.67 0.44 0.57 0.33 0.67 0.44 0.57 0.33 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force and resultant couple are always zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Newton is equivalent to 9.81 kg. wt 1 kg. wt 1/9.81 kg. wt 981 dyne 9.81 kg. wt 1 kg. wt 1/9.81 kg. wt 981 dyne ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Impulse can be obtained from a Velocity-time diagram Velocity-displacement diagram Force-time diagram Force-displacement diagram Velocity-time diagram Velocity-displacement diagram Force-time diagram Force-displacement diagram ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on None of these Both (A) and (B) Nature of surfaces only Area of contact only None of these Both (A) and (B) Nature of surfaces only Area of contact only ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is 1.2 sec 1.5 sec ½ sec 1 sec 1.2 sec 1.5 sec ½ sec 1 sec ANSWER DOWNLOAD EXAMIANS APP