Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 3r/4π 8r/3 4r/ 3π 3r/ 8 3r/4π 8r/3 4r/ 3π 3r/ 8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by ω².r ω/r ω²/r ω.r ω².r ω/r ω²/r ω.r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces which do not meet at one point and their lines of action do not lie on the same plane are known as Coplanar non-concurrent forces None of these Coplanar concurrent forces Non-coplanar concurrent forces Coplanar non-concurrent forces None of these Coplanar concurrent forces Non-coplanar concurrent forces 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.) ω.√(y² - r²) ω².√(y² - r²) ω².√(r² - y²) ω.√(r² - y²) ω.√(y² - r²) ω².√(y² - r²) ω².√(r² - y²) ω.√(r² - y²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Concurrent forces are those forces whose lines of action None of these Meet on the same plane Lie on the same line Meet at one point None of these Meet on the same plane Lie on the same line Meet at one point ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coplanar concurrent forces are those forces which Do not meet at one point and their lines of action do not lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane ANSWER DOWNLOAD EXAMIANS APP