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 8 J 2 J 4 J 6 J 8 J 2 J 4 J 6 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power developed by a torque, is 2πNT/4500 h.p 2πNT /60 watts 2πNT kg m/min All listed here 2πNT/4500 h.p 2πNT /60 watts 2πNT kg m/min All listed here ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as Virtual work Negative work None of these Imaginary work Virtual work Negative work None of these Imaginary work ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of power are. M’L2T2 M’L’r2 M’L-‘T* M’L’T3 M’L2T2 M’L’r2 M’L-‘T* M’L’T3 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: 60 g 100 g 80 g 40 g 60 g 100 g 80 g 40 g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration At the start Elsewhere As it strikes the ground At the top of the trajectory At the start Elsewhere As it strikes the ground At the top of the trajectory ANSWER DOWNLOAD EXAMIANS APP
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