Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) 2n n² n 2n - 1 2n n² n 2n - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The principle of transmissibility of forces states that, when a force acts upon a body, its effect is Same at every point on its line of action Maximum, if it acts at the center of gravity of the body Minimum, if it acts at the center of gravity of the body Different at different points on its line of action Same at every point on its line of action Maximum, if it acts at the center of gravity of the body Minimum, if it acts at the center of gravity of the body Different at different points on its line of action 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 None of these Coplanar non-concurrent forces Coplanar concurrent forces Non-coplanar concurrent forces None of these Coplanar non-concurrent forces Coplanar concurrent forces Non-coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (3/4) Ml² (1/3) Ml² (2/3) Ml² (1/12) Ml² (3/4) Ml² (1/3) Ml² (2/3) Ml² (1/12) Ml² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of friction depends upon Area of contact Shape of the surfaces All of these Nature of surfaces Area of contact Shape of the surfaces All of these Nature of surfaces 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) ω.√(y² - r²) ω².√(r² - y²) ω².√(y² - r²) ω.√(r² - y²) ω.√(y² - r²) ω².√(r² - y²) ω².√(y² - r²) ANSWER DOWNLOAD EXAMIANS APP