Mod 1 Flashcards

1
Q

Distance

A

Distance: the amount of space between objects or people

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2
Q

Electromagnetic field:

A

Electromagnetic field: a force field made of both electrical and magnetic elements

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3
Q

Balanced forces:

A

Balanced forces: forces that are equal in size but opposite in direction and do not cause a change in motion

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4
Q

Mass

A

Mass: the amount of matter, or the physical substance, in an object

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5
Q

Average speed:

A

Average speed: the total distance traveled divided by the total time elapsed

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6
Q

Electromagnetism

A

Electromagnetism: a combined force of electricity and magnetism

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7
Q

Constant Speed:

A

Constant Speed: occurs when an object moves an equal distance for each unit of time

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8
Q

Friction

A

Friction: the resistance to motion of one object moving relative to another

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9
Q

Law of universal gravitation

A

Law of universal gravitation: a scientific law which states that two objects attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them

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10
Q

Electron

A

Electron: a very small particle of matter with a charge of negative electricity that travels around the center of an atom

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11
Q

Instantaneous speed:

A

Instantaneous speed: speed at a specific point in time

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12
Q

Steepness

A

Steepness: gradient or degree of incline

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13
Q

Horizontal plane

A

Horizontal plane: a straight line moving in a left-and-right direction; it is referred to as the x-axis

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14
Q

Electrical force

A

Electrical force: an attractive or repulsive force between two charged objects

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15
Q

Motion

A

Motion: the act of moving

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16
Q

Inertia

A

Inertia: an object’s resistance to motion

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17
Q

Gravity

A

Gravity: the force of attraction between two objects that have mass

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18
Q

Force

A

Force: a push or pull acting upon an object as a result of its interaction with another object

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19
Q

Slope

A

Slope: the steepness of a line

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20
Q

Net force:

A

Net force: the sum of all forces that act upon an object

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21
Q

Friction

A

Friction: a force that opposes motion, meaning friction moves in the opposite direction of the object in motion

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22
Q

Newton

A

Newton: the metric measurement of force

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23
Q

Translation kinetic energy:

A

Translation kinetic energy: the energy due to motion from one location to another

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24
Q

Reaction force

A

Reaction force: the force acting in the opposite direction of the action force

25
Negative acceleration:
Negative acceleration: a description of the movement of an object that is slowing down
26
Magnetic force:
Magnetic force: an attractive or repulsive force between electrically charged particles within a magnetic field
27
Transform
Transform: to change in form, appearance, or structure
28
Gravitational force:
Gravitational force: the strength of attraction between two objects with mass
29
Non-contact force:
Non-contact force: a force applied to an object by another object that is at a distance and not in direct contact
30
Scientific law:
Scientific law: a statement that describes how things work in nature, and is always true under certain conditions
31
Positive acceleration
Positive acceleration: a description of the movement of an object that is speeding up
32
Thermal energy:
Thermal energy: the movement of particles within a substance that creates heat
33
Normal force:
Normal force: the force that supports the weight of an object on a stable surface
34
Reference point:
Reference point: something used to judge or understand something else
35
Unbalanced force
Unbalanced force: forces that are not equal in size or in opposite direction and cause a change in motion
36
Atom
Atom: the smallest unit of a chemical element, consisting of protons, neutrons, and electrons
37
Sound energy:
Sound energy: the vibration of an object that travels in waves
38
Velocity:
Velocity: the speed and direction of an object
39
Scientific method
Scientific method: a system of steps to conduct a scientific investigation
40
Relative position
Relative position: a point established with reference to another position that is either moving or fixed
41
Potential energy:
Potential energy: the stored energy of an object
42
Mechanical energy:
Mechanical energy: the energy of an object that is moving or has the potential to move
43
Contact force:
Contact force: the force that results when an object comes in contact with another object
44
Matter
Matter: anything that has mass and takes up space
45
Vertical plane
Vertical plane: a straight line moving in an up-and-down direction; it is referred to as the y-axis
46
Applied force:
Applied force: a force exerted on an object by a person or another object
47
Speed
Speed: the rate at which an object covers distance; calculated with the formula speed = distance/time
48
Acceleration
Acceleration: the rate of change in the velocity of an object
49
Law of conservation of energy
Law of conservation of energy: a scientific law stating that energy is never created or destroyed; it is only changed from one state to another
50
SI Units:
SI Units: abbreviation for International System of Units
51
Action force:
Action force: the force acting in one direction
52
Joule
Joule: the amount of work done on an object by a one-Newton force that moves the object over a distance of one meter
53
Energy:
Energy: the ability to do work; using force to move an object
54
Electrical energy:
Electrical energy: energy stored in charged particles within an electric field
55
Kinetic energy:
Kinetic energy: the energy of motion
56
Gravitational potential energy:
Gravitational potential energy: the energy stored in an object as a result of its vertical position or height
57
Elastic potential energy:
Elastic potential energy: the energy stored in elastic materials as a result of their stretching or compressing
58
Chemical energy:
Chemical energy: energy stored in chemical compounds