Scalar Moment of Inertia of A Rigid Body
In mechanics of machines, when designing rotary parts like gears, pulleys, shafts, couplings etc., which are used to transmit torques, the moment of inertia has to be considered. The moment of inertia is given about an axis and it depends on the shape and density of a rotating element.
When considering rotating systems like drive shafts, gear trains, and pulleys with more than one rotating element, more than one axis of rotation, an equivalent moment of inertia for the system can be found. The moment of inertia can be determined experimentally by measuring the angular acceleration for a known torque or it can be calculated from the masses and dimensions of the rotating elements and shafts.
Read more about this topic: Moment Of Inertia
Famous quotes containing the words moment, inertia, rigid and/or body:
“No one who has lived even for a fleeting moment for something other than life in its conventional sense and has experienced the exaltation that this feeling produces can then renounce his new freedom so easily.”
—André Breton (1896–1966)
“What is wrong with priests and popes is that instead of being apostles and saints, they are nothing but empirics who say “I know” instead of “I am learning,” and pray for credulity and inertia as wise men pray for scepticism and activity.”
—George Bernard Shaw (1856–1950)
“I found a dimpled spider, fat and white,
On a white heal-all, holding up a moth
Like a white piece of rigid satin cloth—
Assorted characters of death and blight”
—Robert Frost (1874–1963)
“Your body must become familiar with its death—in all its possible forms and degrees—as a self-evident, imminent, and emotionally neutral step on the way towards the goal you have found worthy of your life.”
—Dag Hammarskjöld (1905–1961)