Applied Mechanics and Graphic Statics The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are: 3 kgf, 4 kgf 5 kgf, 3 kgf 4 kgf, 5 kgf 2 kgf, 3 kgf 3 kgf, 4 kgf 5 kgf, 3 kgf 4 kgf, 5 kgf 2 kgf, 3 kgf ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Always reduce to a couple Always reduce to a resultant force Both (A) and (C) Be in equilibrium Always reduce to a couple Always reduce to a resultant force Both (A) and (C) Be in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is 0.33 0.25 0.5 0.4 0.33 0.25 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Nature of surfaces only Both (A) and (B) Area of contact only None of these Nature of surfaces only Both (A) and (B) Area of contact only None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Force polygon method is applicable for A system of parallel forces only Concurrent coplanar force system Any coplanar force system Non-concurrent coplanar force system A system of parallel forces only Concurrent coplanar force system Any coplanar force system Non-concurrent coplanar force system ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is wl/2y wl/4y wl wl/8y wl/2y wl/4y wl wl/8y ANSWER DOWNLOAD EXAMIANS APP