Applied Mechanics and Graphic Statics The resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’, is P² + Q² + 2P sin θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2PQ cos θ P² + Q² + 2PQ tan θ P² + Q² + 2P sin θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2PQ cos θ P² + Q² + 2PQ tan θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis? Both discs will have same rotational inertia Disc with larger density Disc with smaller density None of these Both discs will have same rotational inertia Disc with larger density Disc with smaller density None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is a damped oscillatory motion a rectilinear motion with constant speed None of these a simple harmonic motion a damped oscillatory motion a rectilinear motion with constant speed None of these a simple harmonic motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively 75 and 75 50 and 75 50 and 50 75 and 50 75 and 75 50 and 75 50 and 50 75 and 50 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power developed by a torque, is 2πNT kg m/min All listed here 2πNT/4500 h.p 2πNT /60 watts 2πNT kg m/min All listed here 2πNT/4500 h.p 2πNT /60 watts 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 1 m/sec² 1 cm/sec² 0.7 m/sec² 0.5 m/sec² 1 m/sec² 1 cm/sec² 0.7 m/sec² 0.5 m/sec² ANSWER DOWNLOAD EXAMIANS APP
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