Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 2 J 6 J 8 J 4 J 2 J 6 J 8 J 4 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Point of rotation Instantaneous axis Virtual centre Instantaneous centre Point of rotation Instantaneous axis Virtual centre Instantaneous centre ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a body moving with simple harmonic motion, the number of cycles per second, is known as its Amplitude Frequency Periodic time Oscillation Amplitude Frequency Periodic time Oscillation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is: 80 g 100 g 40 g 60 g 80 g 100 g 40 g 60 g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is 90 m/sec 70 m/sec 75 m/sec 80 m/sec 90 m/sec 70 m/sec 75 m/sec 80 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘v’ and ‘ω’ are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius ‘r’, will be v²/r r/ω² r/v² ω²/r v²/r r/ω² r/v² ω²/r ANSWER DOWNLOAD EXAMIANS APP