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 30° 45° 90° 0° 30° 45° 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Acts tangentially to the circular path Acts away from the centre of rotation Is mw2r/g kgf Acts towards the centre of rotation Acts tangentially to the circular path Acts away from the centre of rotation Is mw2r/g kgf Acts towards the centre of rotation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is(i) 5000 Nm(ii) 5000 kg.m(iii) 5000 J Only (ii) Both (ii) and (iii) All (i), (ii) and (iii) Both (i) and (iii) Only (ii) Both (ii) and (iii) All (i), (ii) and (iii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be sin (α - β)/sin (α + β) tan (α - β)/tan (α + β) sin (α + β)/sin (α - β) cos (α - β)/cos (α + β) sin (α - β)/sin (α + β) tan (α - β)/tan (α + β) sin (α + β)/sin (α - β) cos (α - β)/cos (α + β) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to Original velocity in the opposite direction Half the original velocity in the opposite direction Original velocity in the same direction Half the original velocity in the same direction Original velocity in the opposite direction Half the original velocity in the opposite direction Original velocity in the same direction Half the original velocity in the same direction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time period and length of a second’s pendulum respectively are 1 sec and 99.4 cm 1 sec and 92.7 cm 2 sec and 92.7 cm 2 sec and 99.4 cm 1 sec and 99.4 cm 1 sec and 92.7 cm 2 sec and 92.7 cm 2 sec and 99.4 cm ANSWER DOWNLOAD EXAMIANS APP