Applied Mechanics and Graphic Statics A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is 200 J 50 J 150 J 400 J 200 J 50 J 150 J 400 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Kinetic friction may be defined as Ratio of limiting friction and normal reaction Friction force acting when the body is just about to move Friction force acting when the body is in motion Angle between normal reaction and resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction Friction force acting when the body is just about to move Friction force acting when the body is in motion Angle between normal reaction and resultant of normal reaction and limiting friction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A block in the shape of a parallelepiped of sides 1m × 2m × 3m lies on the surface. Which of the faces gives maximum stable block? 1 m × 2 m Equally stable on all faces 2 m × 3 m 1 m × 3 m 1 m × 2 m Equally stable on all faces 2 m × 3 m 1 m × 3 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of the forces acting on a body will be zero if the body Moves with variable velocity in a straight line Does not move at all Rotates Moves along a curved path Moves with variable velocity in a straight line Does not move at all Rotates Moves along a curved path ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics From the circular plate of a diameter 6 cm is cut out a circular plate whose diameter is equal to radius of the plate. The C.G. of the remainder shifts from the original position through 1.00 cm 0.75 cm 0.50 cm 0.25 cm 1.00 cm 0.75 cm 0.50 cm 0.25 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be gra/h 4√(gra/h) ∛(gra/h) √(gra/h) gra/h 4√(gra/h) ∛(gra/h) √(gra/h) ANSWER DOWNLOAD EXAMIANS APP
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