Engineering Mechanics Coefficient of friction depends upon Both (A) and (B) Area of contact only Nature of surface only None of these Both (A) and (B) Area of contact only Nature of surface only None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.) 2π. √(l/g) (1/2π). √(l/g) (1/2π). √(g/l) None of these 2π. √(l/g) (1/2π). √(l/g) (1/2π). √(g/l) None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The static friction Is independent of the area of contact, between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move Bears a constant ratio to the normal reaction between the two surfaces Is independent of the area of contact, between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move Bears a constant ratio to the normal reaction between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum acceleration of a particle moving with simple harmonic motion is ω ω/r ω²r ωr ω ω/r ω²r ωr ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will Slant down towards direction of pull None of these Remain horizontal Slant up towards direction of pull Slant down towards direction of pull None of these Remain horizontal Slant up towards direction of pull ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.) All of these v2 = u2 + 2a.s v = u + a.t s = u.t + ½ a.t2 All of these v2 = u2 + 2a.s v = u + a.t s = u.t + ½ a.t2 ANSWER DOWNLOAD EXAMIANS APP