Force and Motion 힘과 운동 영영풀이

[Force and Motion 힘과 운동 영영풀이]

 

attract

verb : to pull toward

balanced

adjective : in a state in which equal and opposite forces cancel each other out

direction

noun : the way or course toward which something moves or faces

distance

noun : the amount of space between things or places

electricity

noun : energy created by moving charged particles

energy

noun : the power to do work, make a change, or move objects

engine

noun : a machine, usually with moving parts, that uses power to create motion

force

noun : the strength or energy that moves an object

friction

noun : a force that slows down moving things

generator

noun : a machine that turns motion into electricity

gravity

noun : the natural force that tends to pull objects toward each other, such as objects being pulled toward the center of Earth

law

noun : a statement about results that always occur under certain circumstances

magnetism

noun : a force that pushes and pulls certain metals

mass

noun : the amount of something, measured by its weight

motion

noun : the act of going from one place to another; movement

reaction

noun : an equal, opposite response to a force being applied

repel

verb : to force something away

rest

noun : a pause during which no force is moving an object

speed

noun : the rate at which something moves or happens

weight

noun : how heavy something is, determined by the pull of gravity on the object’s mass

weightless

adjective : experiencing little or no noticeable gravitational pull

work

noun : the act of using force to move something over a certain distance

 

chemical energy

noun : energy made by a change in a substance or a combination of substances

electromagnetism

noun : a combined force of electricity and magnetism

energy transfer

noun : a transfer, or movement, of energy from one form to another

heat energy

noun : a form of energy that is transferred from an object with a higher temperature to an object with a lower temperature

inertia

noun : the tendency of an object to resist change in the direction or speed of its motion

kinetic energy

noun : the energy that a moving body has because of its motion

light energy

noun : a form of radiant energy that allows us to see things

line of force

noun : an invisible line of magnetic force that flows through and around a magnet, forming a magnetic field

magnetic field

noun : an area around a magnet or a moving electric charge where there is a magnetic force

mass

noun : the amount of matter in something, measured on Earth by its weight

momentum

noun : the strength or force that keeps something moving or growing

potential energy

noun : the energy a body has because of its position, electrical charge, or structure; stored energy

sound energy

noun : energy that allows us to hear things

velocity

noun : the rate at which something moves in a certain direction