Engineering Mechanics The coefficient of friction depends upon Nature of surfaces Shape of the surfaces Area of contact All of these Nature of surfaces Shape of the surfaces Area of contact All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of doing work is known as Kinetic energy Power Potential energy None of these Kinetic energy Power Potential energy None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is 0.5 Iω2 Iω Iω2 0.5 Iω 0.5 Iω2 Iω Iω2 0.5 Iω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is 9 cm4 16 cm4 20 cm4 12 cm4 9 cm4 16 cm4 20 cm4 12 cm4 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.√(y² - r²) ω².√(r² - y²) ω.√(y² - r²) ω.√(r² - y²) ω².√(y² - r²) ω².√(r² - y²) ω.√(y² - r²) ω.√(r² - y²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella More inclined when standing Less inclined when standing Less inclined when moving More inclined when moving More inclined when standing Less inclined when standing Less inclined when moving More inclined when moving ANSWER DOWNLOAD EXAMIANS APP