Chpt 1 & 2

Question 1

Study of matter and energy and the interactions between them

Answer 1

Physics

Question 2

3 fundamental units of physics

Answer 2

Length meters
Mass kg
Time seconds

Question 3

Anything that occupies space

Answer 3

Matter

Question 4

The amount or quantity of matter

Answer 4

Mass

Question 5

The force that gravity is pulling on mass

Answer 5

Weight

Question 6

What can change and what can’t change?

Answer 6

Mass never changes
Weight can change

Question 7

The ability to do work

Answer 7

Energy

Question 8

What will result from the expenditure of energy

Answer 8

Work

Question 9

Ability to do work by virtue of position (stored)

Answer 9

potential Energy

Question 10

Energy of motion

Answer 10

Kinetic energy

Question 11

The result of the action, machines, or physical movement (what two energies combined?)

Answer 11

Mechanical
(Potential & Kinetic)

Question 12

The energy released during a chemical reaction

Answer 12

Chemical Energy

Question 13

The movement of electrons through an electrical potential

Answer 13

Electrical Energy

Question 14

The energy of motion at a molecular level (heat)

Answer 14

Thermal Energy

Question 15

The energy contained in the nucleus of an atom

Answer 15

Nuclear Energy

Question 16

Results from electric and magnetic disturbances moving through space

Answer 16

Electromagnetic Energy

Question 17

Law of Conservation of Energy

Answer 17

Energy cannot be created nor destroyed, it can only change forms

Question 18

(T/F) The sum of all energy and matter in the universe is constant

Answer 18

True

Question 19

The relationship between matter and energy

Answer 19

E=mc^2

Question 20

The energy emitted and transferred through space

Answer 20

Radiation

Question 21

A form of electromagnetic energy, visible light

Answer 21

Electromagnetic radiation

Question 22

Any kind of radiation that is able to remove an orbital electron from an atom

Answer 22

Ionizing radiation

Question 23

Occurs when an x-ray passes close enough to an electron of an atom to cause that electron to escape from the atom

Answer 23

Ionization

Question 24

Newton’s First Law of Motion

Answer 24

Inertia
A body in motion will remain in motion until a force acts upon it

Question 25

Newton’s 2nd Law of Motion

Answer 25

Force
The push or pull of an object

Question 26

Newton’s 3rd Law of Motion

Answer 26

For every action, there is an equal and opposite reaction

Question 27

Forms of energy found in radiography

Answer 27

mechanical
kinetic
potential