physics and energy.

Question 1

force

Answer 1

a push/pull of an object.

Question 2

newtons

Answer 2

unit to measure force

Question 3

contact force

Answer 3

forces that touch. friction, air resistance, normal force, applied force, tension force, and spring force.

Question 4

non contact force

Answer 4

forces that dont touch. gravitational, magnetic, and electrical forces

Question 5

balanced forces

Answer 5

the forces are equal in size and opposite in direction

Question 6

mechanical equilibrium

Answer 6

moving without stopping, staying still

Question 7

vector quantity

Answer 7

measured in 2 ways, how strong and which direction`

Question 8

static

Answer 8

staying still

Question 9

dynamic

Answer 9

moving without stopping.

Question 10

energy

Answer 10

the ability to perform work

Question 11

matter-energy-work

Answer 11

using energy to do things

Question 12

calories

Answer 12

are units to measure energy of our foods.

Question 13

joules

Answer 13

a unit to measure energy

Question 14

thermal energy

Answer 14

the internal energy of a system as a result of its temperature.

Question 15

mechanic energy

Answer 15

energy from objects position and motion.

Question 16

work

Answer 16

displacement of an object due to force

Question 17

work=

Answer 17

force X distance

Question 18

kenetic theory of matter

Answer 18

all matter is made of small particles that are in random motions and space between them.

Question 19

joules

Answer 19

the SI unit of work or energy,

Question 20

4 phases

Answer 20

solids, liquids, gases, and plasma

Question 21

vibrations

Answer 21

oscillating motions around a fixed position.

Question 22

wave

Answer 22

a disturbance that travels through a medium from omne place to another.

Question 23

crest

Answer 23

top of waves

Question 24

troughs

Answer 24

bottom of waves

Question 25

amplitudes

Answer 25

distance between midline of a wave and its crestline.

Question 26

frequency

Answer 26

of cycles that are completed in a certaion amount of time.

Question 27

period

Answer 27

sec/cycle

Question 28

frequency

Answer 28

cycles/secs

Question 29

medium

Answer 29

the substance that transports a wave from one place to another.

Question 30

sound and temperature

Answer 30

sound travels fastest in solids and slowest in gases.

Question 31

electromagnetic waves examples

Answer 31

radio, mircrowave, infrared, visible light, ultra violet, x rays, gamma rays.

Question 32

white light

Answer 32

a mix of all light in the visible light spectrum

Question 33

electromagnetic waves

Answer 33

comes from vibrations of charged particles.