Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 8 J 6 J 4 J 2 J 8 J 6 J 4 J 2 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is 2n rpm n/2 rpm n rpm n/4 rpm 2n rpm n/2 rpm n rpm n/4 rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Joule is equivalent to 1 kg wt metre 9.81 Newton metre 1 Newton metre 1 dyne metre 1 kg wt metre 9.81 Newton metre 1 Newton metre 1 dyne metre ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is 45° 30° 0° 90° 45° 30° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Nature of surfaces only Both (A) and (B) Area of contact only None of these Nature of surfaces only Both (A) and (B) Area of contact only None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is 57° 60° 59° 58° 57° 60° 59° 58° ANSWER DOWNLOAD EXAMIANS APP