Engineering Mechanics A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of 0.134 r r/A r/2 r/3 0.134 r r/A r/2 r/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A force while acting on a body may Change its motion All of these Balance the forces, already acting on it Give rise to the internal stresses in it Change its motion All of these Balance the forces, already acting on it Give rise to the internal stresses in it ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a uniform lamina lies at The centre of heavy portion The bottom surface All of these The midpoint of its axis The centre of heavy portion The bottom surface All of these The midpoint of its axis 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.√(r² - y²) ω².√(r² - y²) ω.√(y² - r²) ω².√(y² - r²) ω.√(r² - y²) ω².√(r² - y²) ω.√(y² - r²) ω².√(y² - r²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction. Greater than Less than None of these Equal to Greater than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Constant Both of above are correct Both of above are wrong Equal to the moment of the couple Constant Both of above are correct Both of above are wrong Equal to the moment of the couple ANSWER DOWNLOAD EXAMIANS APP