loading...
« Previous 1
Click flashcard terms on the left to see their definitions.
High Scores
There are no High Scores Yet.
image licenses
Some of the images from this list come from Flickr and/or Wikipedia and are licensed under the Creative Commons. This product uses the Flickr API but is not endorsed or certified by Flickr.
Share This List

All terms in this list:

fluorescence: occurs when certain atoms or molecules absorb light at a particular wavelength and, after a very brief time interval, emit light at longer wavelengths. The light that is absorbed is typically UV light (high frequency/ smaller wavelength), whereas the emi

nucleon: One of the subatomic particles of the atomic nucleus (a proton or a neutron).

Newton's second law: Newton's observation that the rate of change of the momentum of a body is directly proportional to, and in the same direction as, the net force acting on it. F = ma

Newton's third law: Newton's observation that to every action (force applied) there is an equal but opposite reaction (equal force applied in the opposite direction)

momentum: (of a body in motion) the product of its mass and velocity.

torque: A rotational or twisting effect of a force; a moment of force. It is measured as an equivalent straight line force multiplied by the distance from the axis of rotation --> so it's a vector quantity with SI units of newton · meter (N · m)

half-life: The time required for half of the nuclei in a sample of a specific isotope to undergo radioactive decay; The length of time necessary for one half of a given amount of a substance to decay.

rotational equilibrium: when the sum of torques or rotational forces about any point is equal to zero

equilibrium: the condition in which the sum of all forces acting on an object is equal to zero and the object is balanced

acceleration: Forces cause _____ of an object in the direction of the force

positive: torque is ___ if the force causes a counterclockwise rotation

negative: torque is ____ if the force causes a clockwise rotation

lever arm: τ = Fr sinθ; θ = the angle between the direction of the force and the direction of the ____

translational motion: the motion of an object caused by forces exerted in the direction of motion

power: the rate at which work is done by a force

watt: SI unit for power

impulse: The change in momentum (I); is related to the impact force acting to speed up or slow down the object multiplied by the time interval during which this force acts.

Friends with BookmarkOS

Definitions from Wiktionary under the GNU FDL.
Sentences copyrighted by their respective publishers.
terms of service privacy policy