Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is That polygon of forces must close That resultant couple must be zero Both (A) and (B) None of these That polygon of forces must close That resultant couple must be zero Both (A) and (B) None of these 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) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A rigid body suspended vertically at a point and oscillating with a small amplitude under the action of the force of gravity, is called Second's pendulum Compound pendulum Simple pendulum None of these Second's pendulum Compound pendulum Simple pendulum None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is 1.5 sec ½ sec 1 sec 1.2 sec 1.5 sec ½ sec 1 sec 1.2 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2A, the energy becomes 2E E/2 4E E 2E E/2 4E E 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 velocity ratio of the lifting machine is 65 50 60 55 65 50 60 55 ANSWER DOWNLOAD EXAMIANS APP
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