Question 1

mass times acceleration ; cause acceleration

Accepted Answer

Force

Question 2

this is conserved in all collisions

Accepted Answer

total momentum

Question 3

SI unit for force and weight

Accepted Answer

Newtons

Question 4

SI unit for power

Accepted Answer

Watts

Question 5

3 ways to accelerate

Accepted Answer

speed up, slow down, change direction

Question 6

mass x velocity

Accepted Answer

momentum (p)

Question 7

diagram of ALL the forces acting on object

Accepted Answer

Free Body Diagram (FBD)

Question 8

displacement / time

Accepted Answer

velocity

Question 9

distance/time

Accepted Answer

speed

Question 10

The tendency of an object to resist a change in motion; describes 1st law of motion

Accepted Answer

inertia

Question 11

acts on objects that are not moving ; greatest

Accepted Answer

static friction

Question 12

Friction between moving object and surface ; lesser

Accepted Answer

kinetic friction

Question 13

sum of PE & KE ; remains constant

Accepted Answer

mechanical energy

Question 14

mgh ; greatest at top

Accepted Answer

Potential energy

Question 15

1/2m x v^2 ; greatest at the bottom

Accepted Answer

Kinetic energy

Question 16

not considered colors

Accepted Answer

black and white

Question 17

acceleration from being at rest or constant velocity

Accepted Answer

zero acceleration

Question 18

acceleration from speeding up in + direction or slowing down in - direction

Accepted Answer

positive acceleration

Question 19

acceleration from speeding up in - direction or slowing down in + direction

Accepted Answer

negative acceleration

Question 20

time it takes projectile to reach max height

Accepted Answer

half the time

Question 21

quantity with magnitude only

Accepted Answer

scalar quantity

Question 22

quantity with magnitude and direction

Accepted Answer

vector quantity

Question 23

non zeros; trapped zeros; trailing zeros with a decimal

Accepted Answer

always significant figures

Question 24

leading zeros, trailing zeros without a decimal

Accepted Answer

never significant figures

Question 25

variable that is measured in an experiment ; plotted on the y-axis

Accepted Answer

dependent variable

Question 26

variable that is manipulated in an experiment ; plotted on the x-axis

Accepted Answer

independent variable

Question 27

(change in velocity)/time

Accepted Answer

acceleration

Question 28

SI unit of energy and work

Accepted Answer

Joules

Question 29

horizontal line on a position v. time graph

Accepted Answer

object at rest (on graph)

Question 30

horizontal line on a velocity v. time graph

Accepted Answer

object has constant velocity (on graph)

Question 31

initial velocity in horizontal direction

Accepted Answer

vicos(angle)

Question 32

initial velocity in vertical direction

Accepted Answer

visin(angle)

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