Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² cos2α/g R = u² sinα/g R = u² cosα/g R = u² sin2α/g R = u² cos2α/g R = u² sinα/g R = u² cosα/g R = u² sin2α/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when No force acts on a body but some displacement takes place None of these Either (A) or (B) Some force acts on a body, but displacement is zero No force acts on a body but some displacement takes place None of these Either (A) or (B) Some force acts on a body, but displacement is zero 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.) v = u + a.t v2 = u2 + 2a.s All of these s = u.t + ½ a.t2 v = u + a.t v2 = u2 + 2a.s All of these s = u.t + ½ a.t2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum acceleration of a particle moving with simple harmonic motion is ωr ω/r ω²r ω ωr ω/r ω²r ω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane. None of these Either ‘A’ or ‘B’ Meet Do not meet None of these Either ‘A’ or ‘B’ Meet Do not meet ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is bd³/36 db³/36 bd³/12 db³/12 bd³/36 db³/36 bd³/12 db³/12 ANSWER DOWNLOAD EXAMIANS APP
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