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 0.57 0.33 0.44 0.67 0.57 0.33 0.44 0.67 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body of weight 14 g appears to weight 13 g when weighed by a spring balance in a moving lift. The acceleration of the lift at that moment was 0.7 m/sec² 1 m/sec² 1 cm/sec² 0.5 m/sec² 0.7 m/sec² 1 m/sec² 1 cm/sec² 0.5 m/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line All (i), (ii) and (iii) (i) and (iii) (i) and (ii) Only (i) All (i), (ii) and (iii) (i) and (iii) (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is 2 sec 5 sec 4 sec 3 sec 2 sec 5 sec 4 sec 3 sec 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 2P cos θ/2 P tan θ/2 2P sin θ/2 P cos θ/2 2P cos θ/2 P tan θ/2 2P sin θ/2 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 Virtual centre Instantaneous centre Point of rotation Instantaneous axis Virtual centre Instantaneous centre Point of rotation Instantaneous axis ANSWER DOWNLOAD EXAMIANS APP