“Mu - Friction” Blog Post

you will find friction everywhere that objects come in contact with each other. It happens in an opposite direction from movement for object to move. i would say the beach because the shoe will have a harder time moving through sand and rocky places.

"Another Planet" Blog Post ''

My planet's name is Richard it has rocky lands and warm tempature with broccoli trees. It has the same gravity on the surface like earth. But planet Richard gravity is heavier because more gravitational force.

“Mass and Newton’s 1st Law”

part one: 1. pushing or pulling doors in fast-food, markets, and malls.
2.pushing or pulling shopping-carts in markets, construction store like home depot.
3. pushing or pulling seats in fast-food, food court, and in school.                                                                                                                                                              part two: The amount of mass something has depends on matter:

 something that fills up space.

part three: example one describes inertia by not moving, and acting upon an unbalanced force.

example two describes inertia also the same don't do anything to it, if pushing or pulling it its an unbalanced force.

example three describes inertia is the same as the first two examples, its harder to move though.  

“Inertia Investigation”

In my day my clock's hand in my bed room keeps on moving. My bed stayed still as i move my myself and my blanket. Miss Reid glow in the dark lamp's continue to move.
     Examples:
1. The earth's rotation continues to move
2. The White house in D.C. stays still

“Balanced and Unbalanced”

 
The forces on this person is Gravitational Force and Normal Force. What makes this person balanced is the floor is pushing up on the person to make him stand. And the gravity that is pulling him down so he won't levitate in the air like a Astronaut.


                                                                               


 The forces on this book is Gravitational Force, Normal Force and Friction force. What makes this book unbalanced. As the book moves to the right, friction acts to the left to slow the book down. There is an unbalanced force; and as such, the book changes its state of motion.                                                                                                                                                           

''Free Body Diagrams''

http://www.meritnation.com/ask-answer/question/what-is-gravitation/science/6909794
One object is moving its the apple it is being pulled down by gravity to the ground.
One force is Gravitational Force as you can see the apple from the apple tree is being pulled down.
Another force is the earth's surface pushing up against the woman you see in the picture it's called Normal Force.

“Vectors & Scalar”

The difference between vector and scalar is scalar does not show direction.

- another vector quantity is the difference between horizontal and vertical movements.
- another scalar quantity is unchanged by coordinate systems rotations or reflections.

''Four Forces''

1) Applied force we used in class to move a cart with our finger ''pushing and pulling'' it.
     EX in life: when i go grocery shopping in Costco with my family i would push to go foward to go fast or follow my dad. I would pull if am stuck, like cart traffic or people in our way.
2) Gravitational force in class we drop a index card and a ball to the ground and the question was what is making both objects move. Group thought ''gravity''.
     EX in life: throwing food away in the trash in east boston high we throw food away with the tray and land with other trash.
3) Normal force  in class there are two things a tape roll and a pencil on a desk we have to explain why these two things are not falling to the ground. I thought the desk can be strong enough to hold them up.
     EX in life: i would leave my laptop on my desk.
4) Tension force in class we have a barbie and a string if we hold the rubber band it will not fall and pulling the cart across the desk using the string. Because it is a pulling force deals for ex string.
     EX in life: when i was younger i use to have this yoyo called ''yoyo ball'' i holded the string it did not fall to the ground unless i threw it hard. 

''Thought Experiment''

1) A ''Thought experiment'' is a hypothesis of the consequence of the principle in question.

2) The Thought experiment i would love to do is how do batteries charge up and die out. I love to do this experiment to see how batteries react when it is connected to some machine or plastic materials.

''Modeling Acceleration''

 

-This picture shows a ball and a graph, this shows acceleration is the graph is measuring position and time and also how far it travels.

-Its a good model to show how the ball moves in terms of ''Acceleration''.

-I can tell the differences in accelerations of its angle of slope which reads (-20) ,you can change the slope anytime means it also changes the graph.

By Patrick Rall G+ 2013-10-18 19:16

Ford Police Interceptor Models Best Chevy, Dodge Cop Cars in Acceleration

- See more at: http://www.torquenews.com/106/ford-police-interceptor-models-best-chevy-dodge-cop-cars-acceleration#sthash.8ZT23C4n.dpuf

By Patrick Rall G+ 2013-10-18 19:16

Ford Police Interceptor Models Best Chevy, Dodge Cop Cars in Acceleration

- See more at: http://www.torquenews.com/106/ford-police-interceptor-models-best-chevy-dodge-cop-cars-acceleration#sthash.8ZT23C4n.dpuf

By Patrick Rall G+ 2013-10-18 19:16

Ford Police Interceptor Models Best Chevy, Dodge Cop Cars in Acceleration

- See more at: http://www.torquenews.com/106/ford-police-interceptor-models-best-chevy-dodge-cop-cars-acceleration#sthash.8ZT23C4n.dpuf

''Acceleration''

Q1.What is similar about the two vehicles is both have a ''Constant Velocity'' of 30mph. And in the same direction, like going north to the same stop. One difference is the ''Speed'' of their ''Acceleration'' the sports car has a more ''Positive Acceleration'' than the school bus because of how it was created for example the school bus was not to look cool and tear up the streets it is to pick up passengers for work or school.Another example would be the bus and sports car size it looks like the bus is really heavy making itself have a ''Negative Acceleration'' in ''Speed'' with the sports car.

Q2. One similarity is the school bus and the sports car is they both have the same speed if the brakes were hit not at the same time for example the sport's car brake were hit 2.5 s earlier than the bus.Another reason is as the  sport's car stop first , the bus will reach the sports car's distance, for example in a 20 m road the sports car stops at 15m at the stoplight the bus will catch up a little later in 5s . One difference is the sport's car will get there first because of the difference in ''Speed'' the two share for example the sports car traveled 5m faster. Another reason is if a person was driving in each one and hit the brake at the same time it is likely that the bus will stop first because its balanced, and the sports car will take little more time to stop like 3s late for example.

''Guess method''

1. G
   In the response question the variable with units are given, what you need to do is provide your anwser with variable and units given from the response.

2.U
   In a response question there are always a problem, so as an anwser we have to have a variable= ? this is what are you trying to find.

3.E
   As you have the units and the variables with units given all you need is the formula to help solve the problem.

4.S
    If you have your formula all you need to do is plug in what is given it needs units.

5.S
   Now anwser your formula step by step and include units in your anwser.

''speed and velocity''

Speed: is the movement of a person,object, or thing it measures the movement how fast or slow it goes.

Velocity: measures the speed per second.

One example of Average velocity is when i am walking outside around the east Boston high school for a period of time until my dad comes to pick me up he drives 40m/s say i walk like 50 meters in all around the school building how long did it take me?.

One example of instantaneous velocity is turning on the light switch in the kitchen takes one second to turn it on.

''Distance vs. Time graphs''

- In class we in different teams each have a computer with a motion detector and all of us had a worksheet and board started walking away or foward to the detector to collect data on how to create the graph said on the worksheet, to do that we have to test what are we going to do as a team individually, and then anwser the question in his or her notebook.

-The graphs would be necessary of how our body moves physically and the time to take us to move fast, slow, and stop. It can also mention reaction time because the graph shows how quickly you are supposed to move or stop.

''Distance vs. Displacement''

   Distance is how many meters, kilometer, or miles traveled or driven.Displacement is the difference in length for the beginning and the end.

 - One example is when switching classrooms in school you walk ? meters and stop then a hour later switch then walk ? meters.

''Metric Units''

1. Fridge
2. Back-yard
3. Garage

 The three things are in metric because those objects can be measured by any units for example centimeters,inches,and meters.In addition to units also rulers and measuring tape for finding out.

''Estimating Distances''

                                                    (I estimate it about 6 meters)


It is unreasonable because i only measure the very front of my house which looks short visually but still has part of a room extra.
I thought it would not count but it still gives me no idea.

''Distracted driving''

- Distracted driving is bad because it can create an accident and lots of other casualties involved, distracted driving can be drunk,texting,and on the phone its bad it may cost you your life or in jail etc...
-The time
when someone  was distracted is my dad when texting, the car goes wobbly from his steering so he reacted when he looked up front, it happens a bunch of times.Also, he slows down and the car behind ours have to horn us.

3 things in my life for reaction time and 3 examples

one thing is a short clapping game to catch their hand                       
another thing is when someone tried to make me blink like clapping a hand in front of me i would react less than a second.
Lastly,  when taking a shower when it gets to hot or cold i would react quickly.

one example is, the reaction time lab in physics
another example is the stop and go game where a person turns around you have to stop
final example is using a fly swatter to catch flies.