Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) n² 2n - 1 2n n n² 2n - 1 2n n 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 Iω Iω Iω2 0.5 Iω2 0.5 Iω Iω Iω2 0.5 Iω2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as Like parallel forces Coplanar concurrent forces Unlike parallel forces Coplanar non-concurrent forces Like parallel forces Coplanar concurrent forces Unlike parallel forces Coplanar non-concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The mechanical advantage of a lifting machine is the ratio of Load lifted to the effort applied Distance moved by effort to the distance moved by load All of these Output to the input Load lifted to the effort applied Distance moved by effort to the distance moved by load All of these Output to the input ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) 2π × ω 2π/ω ω/2π π/ω 2π × ω 2π/ω ω/2π π/ω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Concurrent forces are those forces whose lines of action Meet at one point Meet on the same plane Lie on the same line None of these Meet at one point Meet on the same plane Lie on the same line None of these ANSWER DOWNLOAD EXAMIANS APP