Applied Mechanics and Graphic Statics A system of coplanar forces acting on a rigid body can be reduced to One force only None of these One force and one couple only One couple only One force only None of these One force and one couple only One couple only 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 y = ω √(y - r) v = ω √(r² - y²) v = ω √(y² - r²) v = ω √(r² + y²) y = ω √(y - r) v = ω √(r² - y²) v = ω √(y² - r²) v = ω √(r² + y²) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 1.0 0.50 0.75 0.25 1.0 0.50 0.75 0.25 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? Disc with larger density Both discs will have same rotational inertia Disc with smaller density None of these Disc with larger density Both discs will have same rotational inertia Disc with smaller density None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Impulse can be obtained from a Force-time diagram Velocity-displacement diagram Velocity-time diagram Force-displacement diagram Force-time diagram Velocity-displacement diagram Velocity-time diagram Force-displacement diagram ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be More than 50% None of these Less than 60% 0.5 More than 50% None of these Less than 60% 0.5 ANSWER DOWNLOAD EXAMIANS APP