Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must (i) Be equal in magnitude (ii) Be opposite in sense (iii) Act along the same line (i) and (ii) All (i), (ii) and (iii) (i) and (iii) Only (i) (i) and (ii) All (i), (ii) and (iii) (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.55 0.4 0.5 0.3 0.55 0.4 0.5 0.3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is None of these That resultant couple must be zero That polygon of forces must close Both (A) and (B) None of these That resultant couple must be zero That polygon of forces must close Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Effect of a force on a body depends upon its Magnitude Direction Position All of these Magnitude Direction Position All of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be E 4E E/2 2E E 4E E/2 2E 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 wallii. 1.732 m from the walliii. 1.0 m above the flooriv. 1.732 m above the floorThe correct answer is (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP