Applied Mechanics and Graphic Statics When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as Imaginary work Negative work Virtual work None of these Imaginary work Negative work Virtual work None of these 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 Both (ii) and (iii) Only (ii) Both (i) and (iii) All (i), (ii) and (iii) Both (ii) and (iii) Only (ii) Both (i) and (iii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a particle moves with a uniform angular velocity ‘ω’ radians/sec along the circumference of a circle of radius ‘r’, the equation for the velocity of the particle, is v = ω √(r² - y²) v = ω √(y² - r²) y = ω √(y - r) v = ω √(r² + y²) v = ω √(r² - y²) v = ω √(y² - r²) y = ω √(y - r) v = ω √(r² + y²) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be 2.5 m/sec 0.5 m/sec 3.5 m/sec 1.5 m/sec 2.5 m/sec 0.5 m/sec 3.5 m/sec 1.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A straight line Two straight lines A triangle A point A straight line Two straight lines A triangle A point ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is u² tan² α/2g u² cos² α/2g u² sin² α/2g u² sin 2α/2g u² tan² α/2g u² cos² α/2g u² sin² α/2g u² sin 2α/2g ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS