Applied Mechanics and Graphic Statics Kinetic friction may be defined as Friction force acting when the body is in motion Friction force acting when the body is just about to move 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 in motion Friction force acting when the body is just about to move Angle between normal reaction and resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by 5.5 kg 8.75 kg 6.25 kg 10.5 kg 5.5 kg 8.75 kg 6.25 kg 10.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a Cycloid Ellipse Parabola Catenary Cycloid Ellipse Parabola Catenary ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Open polygon Parallelogram Triangle Closed polygon Open polygon Parallelogram Triangle Closed polygon ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl/4d wl²/4d wl²/16d wl²/8d wl/4d wl²/4d wl²/16d wl²/8d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ? i. 1.0 in from the wall ii. 1.732 m from the wall iii. 1.0 m above the floor iv. 1.732 m above the floor The correct answer is (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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