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Physics is Phun!

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by

Ramya Bogg

on 24 January 2014

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Transcript of Physics is Phun!

Physics is Phun!
By Caitlin Hall, Marissa Francesco, and Ramya Bogg


EPE KE GPE
GRAVITY
AIR RESISTANCE
NORMAL FORCE
Jumping Dog
LIZARD EATING
CHEMICAL
PE
THERMAL
FRUIT NINJA
ACCELERATION
SNAKES STRIKING
SPEED
VELOCITY
KNIFE THROWING
CENTIPETAL ACCELERTION
SOUND
CHINCHILLAS ROLLING
ROLLING KINETIC FRICTION
SNAKE SLITHERING
SLIDING KINETIC FRICTION
PUSHING CAITLIN
Thanks for Watching!
Frame of Reference
Reference Point: the object that appears to stay in place
Reference Direction: the way the object moves in relation to the reference point
Non-Moving Reference Point: Stationary Objects that are used to determine whether an object is in motion
Moving Reference Point: Mobile Objects that are used to determine whether an object is in motion
What is EPE, KE, and GPE?
EPE= Elastic Potential Energy
Energy of Position
When an object is stretched out of deformed in some way, this energy is stored in the object
KE= Kinetic Energy
Energy in motion
Motion of waves, electrons, atoms, molecules, and substances
GPE= Gravitational Potential Energy
Energy of place or position
Occurs when an object is raised above the ground
What is CE, PE, and TE?
CE= Chemical Energy
Energy that is stored in the bonds of atoms and molecules
PE= Potential Energy
Stored Energy
TE= Thermal Energy (Heat Energy)
Internal energy in substances
Vibration and movement of atoms and molecules within a substance
What is speed and velocity?
Speed
the distance traveled divided by the time interval during which the motion occurred

Velocity
the speed of an object in a particular direction
2 m
20 milliseconds


(with direction)
2 ft
20 milliseconds


What is acceleration?
Calculating Acceleration
final velocity - initial velocity

final time - initial time
the rate at which velocity changes over time
an object accelerates if its speed, direction (or both) change
a =
2 s - 0s
a =
0.25 m/s/s straight
Friction!
Rolling Kinetic Friction
when a surface rolls over another surface
Sliding Kinetic Friction
when two or more surfaces slide past each other
Static Friction
when a force is applied to an object but does not cause the object to move
3 Types...
s = 0.1 m/s
s=
v = 0.1 m/s
straight
v=
a=
0.5 m/s - 0 m/s
WARNING: NO ANIMALS WERE HURT IN THE MAKING OF THIS VIDEO (EXCEPT THE MICE)
Full transcript