Applied Mechanics and Graphic Statics In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is 80 60 30 50 80 60 30 50 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power can be expressed as Work/time Work/energy Work × time Work/distance Work/time Work/energy Work × time Work/distance ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g1 g2/g1 g1/g2 g2 g1 g2/g1 g1/g2 g2 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 30° 0° 45° 90° 30° 0° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is 1.0 m 0.5 m 1.5 m 0.75 m 1.0 m 0.5 m 1.5 m 0.75 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl/4d wl²/16d wl²/8d wl²/4d wl/4d wl²/16d wl²/8d wl²/4d ANSWER DOWNLOAD EXAMIANS APP