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observation

testing

model

theory

The design and carrying out of experiments.

Something science requires of its ideas or theories to see if…

Is a kind of analogy or mental image of the phenomena in term…

Broader, more detailed, and can give quantitatively testable…

observation

The design and carrying out of experiments.

testing

Something science requires of its ideas or theories to see if…

newton (what is it equal to)

contact forces

field forces

types of field forces

kg * m/s^2

acts on an object only by touching it

no physical contact

gravitational, electromagnetic, strong nuclear force, weak nu…

newton (what is it equal to)

kg * m/s^2

contact forces

acts on an object only by touching it

amplitude

propagate

longitudinal wave

transverse wave

the maximum displacement on either side of the equilibrium (m…

transmit or be transmitted in a particular direction or throu…

wave that has its propagation and oscillation parallel to one…

wave that has its propagation and oscillation perpendicular t…

amplitude

the maximum displacement on either side of the equilibrium (m…

propagate

transmit or be transmitted in a particular direction or throu…

Average Speed is

An object Accelerates if

Subtracting a vector is the same as

The direction of the average accelerat…

Total Distance / Total Time (Disp,Vel, Acc Q1)

it changes velocity and/or direction (Disp,Vel, Acc Q2)

adding its opposite (Vectors in 2 Dimensions Q4)

the direction of the change(difference vf - vi) of the veloci…

Average Speed is

Total Distance / Total Time (Disp,Vel, Acc Q1)

An object Accelerates if

it changes velocity and/or direction (Disp,Vel, Acc Q2)

Suppose that an object travels from on…

When is the average velocity of an obj…

If the velocity of an object is zero a…

If the velocity of an object is zero,…

The displacement is either less than or equal to the distance…

When Velocity is constant

False, gravity exists at all times

False, gravity exists

Suppose that an object travels from on…

The displacement is either less than or equal to the distance…

When is the average velocity of an obj…

When Velocity is constant

A mass on a spring undergoes SHM. When…

The graph below is a plot of displacem…

A mass m hanging on a spring has a nat…

Which of the following features of a g…

B) is maximum.

B) C

B) 0.5f

C) the restoring force

A mass on a spring undergoes SHM. When…

B) is maximum.

The graph below is a plot of displacem…

B) C

What is another name for Newton's Firs…

What is Newton's first law?

What is Newton's second law?

What is the formula for Newton's secon…

Law of Inertia

Objects at rest stay at rest and objects in motion remain in…

an object's acceleration is the net force it experiences divi…

Fnet= ma

What is another name for Newton's Firs…

Law of Inertia

What is Newton's first law?

Objects at rest stay at rest and objects in motion remain in…

What is an object's acceleration durin…

What is free fall?

What is a projectile?

What is a projectile's acceleration?

10 m/s

No forces except gravity are affecting an object

An object in free fall but does not necessarily mean that the…

-10 m/s

What is an object's acceleration durin…

10 m/s

What is free fall?

No forces except gravity are affecting an object

Inertia

Newton first law (law of inertia)

Second law

T or F: a ball is moving upwards and r…

An objects ability to resist a change in motion

An object at rest will remain at rest and an object in motion…

The acceleration of an object is proportional to the net forc…

F

Inertia

An objects ability to resist a change in motion

Newton first law (law of inertia)

An object at rest will remain at rest and an object in motion…

position vs time graph

velocity vs time graph

acceleration vs time graph

in a graph always look at...

pros:... - slope = velocity... - instantaneous position... - initial p…

*most useful*... pros:... - slope = acceleration... - instantaneous v…

*relatively useless*... pros:... - slope = Jerk... - area = ∆v... cons:…

- slope... - y-intercept... - area = ∆x

position vs time graph

pros:... - slope = velocity... - instantaneous position... - initial p…

velocity vs time graph

*most useful*... pros:... - slope = acceleration... - instantaneous v…

Metric Conversion

Density

Average Velocity

Instantaneous Velocity

1,000,000 base = 1 mega(M) base... 1,000 base = 1 kilo(k) base... 1…

d = m/V

Distance/Time

Derivative of Distance at Given Time

Metric Conversion

1,000,000 base = 1 mega(M) base... 1,000 base = 1 kilo(k) base... 1…

Density

d = m/V

strong force

weak force

what is an alpha particle?

antimatter

holds nuclei together, counters electric repulsion between pr…

radioactivity, gravity transmutation, only force a neutrino a…

4/2 He, a helium nucleus emitted during alpha decay. /

matter of opposite charge

strong force

holds nuclei together, counters electric repulsion between pr…

weak force

radioactivity, gravity transmutation, only force a neutrino a…

What is a particle?

What is position?

What is distance?

What is displacement?

Has position and mass, NO size or volume, located at one poin…

Location of a particle in space... One dimension (x)... Two dimensi…

the total length of the path traveled by an object. Does not…

the change in position of an object... Depends only on initial d…

What is a particle?

Has position and mass, NO size or volume, located at one poin…

What is position?

Location of a particle in space... One dimension (x)... Two dimensi…

Consider a deer that runs from point A…

Suppose that an object travels from on…

Consider a car that travels between po…

A ball is thrown straight up, reaches…

True

The displacement is either less than or equal to the distance…

True

Its velocity points upward and its acceleration points downward

Consider a deer that runs from point A…

True

Suppose that an object travels from on…

The displacement is either less than or equal to the distance…

Force

When must something use force?

When masses are attached to a pulley,…

Car with W acceleration is

Quantity that changes the velocity of an object

Speed up, slow down, or turn

equal, unequal

slowing down E

Force

Quantity that changes the velocity of an object

When must something use force?

Speed up, slow down, or turn

normal force

average speed

applied force

speed

a force that opposes gravity

The total distance an object travels divided by the total tim…

a force applied to an object

distance traveled per unit of time

normal force

a force that opposes gravity

average speed

The total distance an object travels divided by the total tim…

3 states of matter/description

What is Density?

***If two objects are made of the same…

Define Fluid

- Solid: definite shape, definite volume... - Liquid: takes shap…

The density of a substance is the relationship between the ma…

Their densities will remain the same because they are made of…

Any material that is unable to withstand a static shear stres…

3 states of matter/description

- Solid: definite shape, definite volume... - Liquid: takes shap…

What is Density?

The density of a substance is the relationship between the ma…

vav = Δx / t

a = Vav / t

Vf = Vi + a * t

Δx = Vi ** t + .5 *** a * t^2

Average Velocity Equation

Average Acceleration Equation

Final Velocity Equation (given time and acceleration)

Find Displacement Equation (given time, acceleration, and ini…

vav = Δx / t

Average Velocity Equation

a = Vav / t

Average Acceleration Equation

What is a projectile?

How do projectiles travel?

How do projectiles travel horizontally…

How do projectiles travel vertically?…

Anything that is hit, kicked, thrown, etc, into the air witho…

Horizontally and vertically at the same time.

Reason: inertia... acceleration: zero... type of motion: constant v…

Reason: gravity... acceleration: 9.8 m/s2 down... type of motion: U…

What is a projectile?

Anything that is hit, kicked, thrown, etc, into the air witho…

How do projectiles travel?

Horizontally and vertically at the same time.

scalar

vector

resultant vector

graphically

a physical quantity that has magnitude but no direction ex. s…

a physical quantity that has both magnitude and direction ex.…

represents the sum of two or more vectors; vector addition; u…

Vectors can be added ___________.

scalar

a physical quantity that has magnitude but no direction ex. s…

vector

a physical quantity that has both magnitude and direction ex.…

laws

observational experiment

testing experiment

point-like object

general rules that bring understanding to the chaotic behavio…

an experiment that collects data that seems important but the…

an experiment that tests a specific hypothesis

simplified representation of a real object

laws

general rules that bring understanding to the chaotic behavio…

observational experiment

an experiment that collects data that seems important but the…

Distance

How do you find distance? Can it be ne…

Displacement

How do you find displacement? Can it b…

Total length of path traveled

It's the sum of paths traveled and can not be negative

The difference between final and initial position

Displacement equals the change in which equals final minus in…

Distance

Total length of path traveled

How do you find distance? Can it be ne…

It's the sum of paths traveled and can not be negative

Projectiles

Motion of projectiles analyzed in 3 ty…

Galileo

Each component (horizontal and vertica…

Objects that are shot or thrown through the air

Dropped... Thrown straight up... Thrown at angle

1st to analyze the horizontal and vertical components of a pr…

Independently of the other

Projectiles

Objects that are shot or thrown through the air

Motion of projectiles analyzed in 3 ty…

Dropped... Thrown straight up... Thrown at angle

When is the average velocity of an abj…

An object moving in the +x axis experi…

Suppose that an object is moving with…

Can an object's velocity change direct…

Only when the velocity is constant.

increasing its velocity by 2.0 m/s every second.

The acceleration must be equal to zero.

Support your answer with an example.

When is the average velocity of an abj…

Only when the velocity is constant.

An object moving in the +x axis experi…

increasing its velocity by 2.0 m/s every second.

Torque

Conservation of Angular momentum

Sign of torques

Net torques

Rotational equivalent of force

Conserved when net force is equal to zero.

Determined by the direction of rotation it would cause if it…

The sum of all individual torques taking their signs into con…

Torque

Rotational equivalent of force

Conservation of Angular momentum

Conserved when net force is equal to zero.

Simple Harmonic Motion (SHM)

Fs = -kx

Equilibrium

Us = ½kx²

the protypical example of ___ is a block that's oscillating o…

write the equation for Hooke's law... Fs = force created by spr…

___ is the position at which the net force on the oscillating…

write the equation for the elastic potential energy an oscill…

Simple Harmonic Motion (SHM)

the protypical example of ___ is a block that's oscillating o…

Fs = -kx

write the equation for Hooke's law... Fs = force created by spr…

What is angular acceleration?

How do we define angular velocity (ome…

What occurs with angular acceleration…

What happens if omega increases or dec…

Uniform circular motion: motion in a circular path at constan…

We defined angular velocity 𝜔 as the time rate of change of a…

There is an angular acceleration, in which 𝜔 changes. The fas…

What is angular acceleration?

Uniform circular motion: motion in a circular path at constan…

How do we define angular velocity (ome…

We defined angular velocity 𝜔 as the time rate of change of a…

Electrical Potential

Electrical Potential Energy

Potential Difference

Electric Field

Symbol: V, Units: volts,... Electrical potential energy per Coul…

Symbol: U, Units: J or 1 eV = 1.6x10^-19 J,... Energy due to pos…

Symbol: ΔV, Units voltage, ... difference in electrical potentia…

Symbol: E, Units: N/C or V/m... The effect of a charged object o…

Electrical Potential

Symbol: V, Units: volts,... Electrical potential energy per Coul…

Electrical Potential Energy

Symbol: U, Units: J or 1 eV = 1.6x10^-19 J,... Energy due to pos…

∨= at + ∨₀

x=x₀+v₀t+¹/₂at²

v²=v₀²+2a∆x

m/s/s

can be used to find acceleration or velocity

can be used to find distance or acceleration

final velocity squared equals initial velocity squared plus t…

acceleration

∨= at + ∨₀

can be used to find acceleration or velocity

x=x₀+v₀t+¹/₂at²

can be used to find distance or acceleration

Mechanical waves

Electromagnetic waves

Matter waves

simplest mechanical wave

All these waves have certain central features:... they are gover…

These waves require no material medium to exist. All... electrom…

Constituting matter such as electrons,... protons, and other fun…

A wave sent along a stretched, taut string

Mechanical waves

All these waves have certain central features:... they are gover…

Electromagnetic waves

These waves require no material medium to exist. All... electrom…

If a bullet is fired horizontally what…

If an object is fired from a cliff whi…

How would you find time of flight?

How would you find the range of a part…

uy = 0

Sy = - 200

Find t when sy = 0.

Find t when sy = 0 and sub this time in to sx.

If a bullet is fired horizontally what…

uy = 0

If an object is fired from a cliff whi…

Sy = - 200

What is Newton's second law?

What is Newton's third law?

How do you solve a two body elevator p…

Define equilibrium.

Net force equals mass multiplied by acceleration.

all forces come in pairs, which are equal in magnitude, oppos…

Draw two free body diagrams.Find out if it is in equilibrium.…

Net force is zero. Acceleration is zero. velocity is constant

What is Newton's second law?

Net force equals mass multiplied by acceleration.

What is Newton's third law?

all forces come in pairs, which are equal in magnitude, oppos…

0.2 m/s*s

2.0 m/s

-1 m/s*s between 6 and 8 seconds

increases from 1 m/s to 4 m/s

The graph in figure 4-3 shows an acceleration of

the initial speed (Vo) shown in figure 4-3 is

the acceleration of the object in figure 4-2 is

between two and three seconds, the speed of the object shown…

0.2 m/s*s

The graph in figure 4-3 shows an acceleration of

2.0 m/s

the initial speed (Vo) shown in figure 4-3 is

normal force

average speed

applied force

speed

a force that opposes gravity

The total distance an object travels divided by the total tim…

a force applied to an object

distance traveled per unit of time

normal force

a force that opposes gravity

average speed

The total distance an object travels divided by the total tim…