Applied Mechanics and Graphic Statics A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be 10 m/sec 20 m/sec 15 m/sec 25 m/sec 10 m/sec 20 m/sec 15 m/sec 25 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is 108.5 kg 102.5 kg 105.5 kg 110 kg 108.5 kg 102.5 kg 105.5 kg 110 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The characteristic of a couple is: A couple can be never the balanced by a single force All listed here Algebraic sum of forces, constituting a couple is zero Algebraic sum of moments of forces, constituting a couple, about any point, is same A couple can be never the balanced by a single force All listed here Algebraic sum of forces, constituting a couple is zero Algebraic sum of moments of forces, constituting a couple, about any point, is same ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of 12 Newtons 8 Newtons 10 Newtons 5 Newtons 12 Newtons 8 Newtons 10 Newtons 5 Newtons ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down Change in momentum suffered by lead ball is less that of rubber ball None of these Rubber and lead balls undergo equal changes in momentum Momentum of rubber ball is less than that of lead ball Change in momentum suffered by lead ball is less that of rubber ball None of these Rubber and lead balls undergo equal changes in momentum Momentum of rubber ball is less than that of lead ball 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
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