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 0.33 0.57 0.67 0.44 0.33 0.57 0.67 0.44 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is A damped oscillatory motion A rectilinear motion with constant speed None of these A simple harmonic motion A damped oscillatory motion A rectilinear motion with constant speed None of these A simple harmonic motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of centrifugal force are M’L-‘T2 M’L’T2 M’L’T1 M1 L2 T2 M’L-‘T2 M’L’T2 M’L’T1 M1 L2 T2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ? 30° 75° 15° 45° 30° 75° 15° 45° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along The perpendicular to both the lines None of these The same line in opposite sense The same line in the same sense The perpendicular to both the lines None of these The same line in opposite sense The same line in the same sense ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be 200 tonnes at the right support 200 tonnes at the centre 500 tonnes at the centre 200 tonnes at the left support 200 tonnes at the right support 200 tonnes at the centre 500 tonnes at the centre 200 tonnes at the left support ANSWER DOWNLOAD EXAMIANS APP