Applied Mechanics and Graphic Statics The resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’, is P² + Q² + 2PQ cos θ P² + Q² + 2PQ tan θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2P sin θ P² + Q² + 2PQ cos θ P² + Q² + 2PQ tan θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2P sin θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is 9.3 m/sec 6.3 m/sec 8.3 m/sec 7.3 m/sec 9.3 m/sec 6.3 m/sec 8.3 m/sec 7.3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 25 314 1.5 5 25 314 1.5 5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The acceleration of a train starting from rest at any instant is 1/6(V + 1) m/sec² where ‘V’ is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of 2100 m 2300 m 2000 m 2200 m 2100 m 2300 m 2000 m 2200 m 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 wl/8y wl/4y wl/2y wl wl/8y wl/4y wl/2y ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A rigid body suspended vertically at a point and oscillating with a small amplitude under the action of the force of gravity, is called Second's pendulum Compound pendulum None of these Simple pendulum Second's pendulum Compound pendulum None of these Simple pendulum ANSWER DOWNLOAD EXAMIANS APP