Force
In physics, a force is any influence that causes an object to undergo a certain change, either concerning its movement, direction, or geometrical construction. It is measured with the SI unit of newtons and represented by the symbol F. In other words, a force is that which can cause an object with mass to change its velocity (which includes to begin moving from a state of rest), i.e., to accelerate, or which can cause a flexible object to deform. Force can also be described by intuitive concepts such as a push or pull. A force has both magnitude and direction, making it a vector quantity.
Read more about Force.
Famous quotes containing the word force:
“If the oarsmen of a fast-moving ship suddenly cease to row, the suspension of the driving force of the oars doesn’t prevent the vessel from continuing to move on its course. And with a speech it is much the same. After he has finished reciting the document, the speaker will still be able to maintain the same tone without a break, borrowing its momentum and impulse from the passage he has just read out.”
—Marcus Tullius Cicero (106–43 B.C)
“The sure way of judging whether our first thoughts are judicious, is to sleep on them. If they appear of the same force the next morning as they did over night, and if good nature ratifies what good sense approves, we may be pretty sure we are in the right.”
—Horace Walpole (1717–1797)
“The event combined with
Beams leading up to it for the look of force adapted to the wiser
Usages of age, but it’s both there
And not there, like washing or sawdust in the sunlight,
At the back of the mind, where we live now.”
—John Ashbery (b. 1927)