Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Instantaneous axis Point of rotation Instantaneous centre Virtual centre Instantaneous axis Point of rotation Instantaneous centre Virtual centre ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is 5 √10 m/sec 3 √5 m/sec 10 √5 m/sec 5 √3 m/sec 5 √10 m/sec 3 √5 m/sec 10 √5 m/sec 5 √3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is 2/3 1/3 3/5 1/5 2/3 1/3 3/5 1/5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation Bears a constant ratio to their velocity of approach Is equal to the sum of their velocities of approach Is directly proportional to their velocity of approach Is inversely proportional to their velocity of approach Bears a constant ratio to their velocity of approach Is equal to the sum of their velocities of approach Is directly proportional to their velocity of approach Is inversely proportional to their velocity of approach 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 105.5 kg 110 kg 102.5 kg 108.5 kg 105.5 kg 110 kg 102.5 kg 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 Imaginary work Negative work None of these Virtual work Imaginary work Negative work None of these ANSWER DOWNLOAD EXAMIANS APP
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