Engineering Mechanics The maximum acceleration of a particle moving with simple harmonic motion is ωr ω/r ω ω²r ωr ω/r ω ω²r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where, r = Amplitude of motion, and y = Displacement of the particle from mean position.) ω².√(r² - y²) ω².√(y² - r²) ω.√(r² - y²) ω.√(y² - r²) ω².√(r² - y²) ω².√(y² - r²) ω.√(r² - y²) ω.√(y² - r²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tan(α - φ)/tanα None of these tanα/tan (α + φ) tan(α + φ)/tanα tan(α - φ)/tanα None of these tanα/tan (α + φ) tan(α + φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A couple produces Translatory motion Rotational motion Combined translatory and rotational motion None of these Translatory motion Rotational motion Combined translatory and rotational motion None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 60 and 70 % Between 70 and 80% 1 Between 80 and 90% Between 60 and 70 % Between 70 and 80% 1 Between 80 and 90% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² cos2α/g R = u² cosα/g R = u² sinα/g R = u² sin2α/g R = u² cos2α/g R = u² cosα/g R = u² sinα/g R = u² sin2α/g ANSWER DOWNLOAD EXAMIANS APP
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