Applied Mechanics and Graphic Statics Coefficient of friction depends on None of these Both (A) and (B) Area of contact only Nature of surfaces only None of these Both (A) and (B) Area of contact only Nature of surfaces only 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 (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If y is force and x is velocity, then dimensions of —=r are dx2 M’^T’ M’L-‘T0 M2L’T3 M’L-‘T1 M’^T’ M’L-‘T0 M2L’T3 M’L-‘T1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of One-fourth of the total height above base One-third of the total height above base One-half of the total height above base None of these One-fourth of the total height above base One-third of the total height above base One-half of the total height above base None of these ANSWER DOWNLOAD EXAMIANS APP
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 None of these Both (A) and (B) That polygon of forces must close That resultant couple must be zero None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.6 0.7 0.65 0.75 0.6 0.7 0.65 0.75 ANSWER DOWNLOAD EXAMIANS APP