Science 403403 Macy

Question 1

Momentum equation

Answer 1

P=mv

Momentum = mass velocity

Question 2

The law of conservation

Answer 2

Momentum in = momentum out

Question 3

Change in velocity overtime

Answer 3

Acceleration

Question 4

Acceleration equation

Answer 4

A= vf - vi/ t

A= final velocity-initial velocity / time

Question 5

Push pull or lift on a mass

Answer 5

Force

Question 6

5 Type of forces

Answer 6

Gravity
Atomic
Electromagnetic 
Mechanic 
Nature

Question 7

When forces acting on a mass are equal and opposite

Answer 7

Balance forces

Question 8

Forces acting on a mass are not equal and opposite

Answer 8

Unbalanced forces

Question 9

A pushing force that occurs when two objects or surfaces move against each other

Answer 9

Friction

Question 10

Friction that occurs when objects move through air

Answer 10

Air resistance

Question 11

A pulling force of attraction between all objects

Answer 11

Gravity

Question 12

The law of falling bodies

Answer 12

Galileo- “All objects fall to earth with the same constant acceleration”

Question 13

Gravity rate

Answer 13

G=9.8m/s squared

Question 14

Downward force due to the pull of gravity

Answer 14

Weight

Question 15

Point where forces are balanced

Answer 15

Center of gravity

Question 16

Why are there ocean tides

Answer 16

The MOOOOOON’s Gravity🌚🌚🌚🌚

Question 17

A measure of the amount of gravity

Answer 17

G force

Question 18

Gravity induced by spinning in a circle

Answer 18

Centripetal force

Question 19

Laws of motion

Answer 19

Sir Isaac Newton

1.objects in motion stay in motion unless acted on by an unbalanced forcee

2.to move a mass u need a force
F=ma

3.for every action there is an equal and opposite reaction

Question 20

Force equation

Answer 20

F=ma

Question 21

The tendency of an object in motion to stay in motion and an object at rest to stay at rest

Answer 21

Inertia

Question 22

The ability to do work

Answer 22

Energy

Question 23

What is energy measured in

Answer 23

Joules

Question 24

Energy that is stored

Answer 24

Potential energy

Question 25

Moving energy

Answer 25

Kinetic energy

Question 26

Potential energy equation

Answer 26

Pe= mph Potential energy = mass 9.8 height

Question 27

Light energy travels through what

Answer 27

Waves

Question 28

Visible light

Answer 28

Roy G Bv

Question 29

Freezing point of water

Answer 29

O*celcious

Question 30

Boiling point of water

Answer 30

100*celcious

Question 31

When a force moves a mass over a distance

Answer 31

Work

Question 32

Work equation

Answer 32

``` W= fd Work= force distance ```

Question 33

Amount of work done overtime

Answer 33

Power

Question 34

Power equation

Answer 34

``` P= w/t Power= work / time ```

Question 35

What is power measured in

Answer 35

Watts or horsepower

Question 36

A tool that changes the size and direction of a effort force

Answer 36

Simple machines

Question 37

Factor by which a machine reduces the effort force

Answer 37

Mechanical advantage

Question 38

Mechanical advantage equation

Answer 38

Ma= resistance f / effort f

Question 39

6 examples of simple machines

Answer 39

``` Inclined plane Wheel and axle Wedge Gear Screw Pulley ```

Question 40

A bar that pivots a fulcrum

Answer 40

Lever

Question 41

Has 2 or more simple machines

Answer 41

Compound machines

Question 42

The mass and velocity of a moving object

Answer 42

Momentum