Applied Mechanics and Graphic Statics If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is P + Q Q/P P - Q P/Q P + Q Q/P P - Q P/Q 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° 45° 0° 90° 30° 45° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is wl/4y wl/2y wl/8y wl wl/4y wl/2y wl/8y wl 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 0.5 m/sec² 1 cm/sec² 0.7 m/sec² 1 m/sec² 0.5 m/sec² 1 cm/sec² 0.7 m/sec² 1 m/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A retarding force on a body does not Change the motion of the body Introduce the motion of the body None of these Retard the motion of the body Change the motion of the body Introduce the motion of the body None of these Retard the motion of the body ANSWER DOWNLOAD EXAMIANS APP
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 50 80 60 30 50 80 60 30 ANSWER DOWNLOAD EXAMIANS APP