Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. The kinetic energy of a body Before impact is equal to that after impact Before impact is more than that after impact Before impact is less than that after impact Remain constant Before impact is equal to that after impact Before impact is more than that after impact Before impact is less than that after impact Remain constant ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to 1 kg None of these 7 kg 5 kg 1 kg None of these 7 kg 5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is 120 N 80 N 100 N 60 N 120 N 80 N 100 N 60 N ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Newton’s Law of Motion is: The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts All listed here Everybody continues in its state of rest or of uniform motion in a straight line, unless it is acted upon by some external force To every action, there is always an equal and opposite reaction The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts All listed here Everybody continues in its state of rest or of uniform motion in a straight line, unless it is acted upon by some external force To every action, there is always an equal and opposite reaction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The practical units of work, is Joule Newton Erg Dyne Joule Newton Erg Dyne ANSWER DOWNLOAD EXAMIANS APP
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