1. I believe the purpose of this lab was to demonstrate the difference between constant velocity and constant acceleration in a real life situation. This lab interactively showed how constant velocity and constant acceleration varied by the markings on the table.
2. The difference between constant velocity and constant speed is that constant velocity is where the speed does not change nor does the direction it is traveling. Constant speed is where the speed of an object is increasing evenly because of the acceleration increasing.
3. During this lab, there was a metronome that made a beat for every half second. My group and I propped a table so it was on a slope. We rolled the ball down the slope marking every half second where the ball rolled.
4. This proved that the ball was rolling at constant velocity. Each mark was measured and was evenly spaced out. With constant acceleration the distances between the marks gradually increased.
5. The formulas used in this lab were: to find velocity V= d/t
To find how far the object went we used d=1/2 at^2
And the equation of the line is y=mx+b
6. The line for constant velocity was a straight diagonal line that gradually increase with the same amount of time and distance. The constant accelerating graph increased speed over a shorter amount of time
7. When you entered a time into the x variable you get the distance at the rate of acceleration that was given.
8. In this lab I learned that its easier to graph your data and calculate the line it forms. I also learned that you must repeat an experiment multiple times to record results that support the problem of the lab.
Wednesday, September 25, 2013
British Guy Explains Acceleration
So pretty much what this guy with the super British accent is saying is that acceleration can be classified as positive, negative, or zero acceleration, depending on the change in velocity. When the speed of the bus increases with time, then the acceleration is positive. It is negative when the speed decreases. Every object is set with zero acceleration whether it is at rest or constant velocity.
Thursday, September 12, 2013
Post Hovercraft Lab
a. I'm not entirely sure what riding on the hover craft because I never got a chance to participate. But, I believe those who did ride it felt as though they we gliding and would never stop. The hover craft is different from riding on any other vehicle because of the lack of surface friction, you feel like you would go on forever.
b. I learned that inertia has a lot to do with the mass of something. The greater the mass the more the harder the initial force for the object to start is harder to create, and the same with slowing down. I also learned that while gliding on the hovercraft, equilibrium is reached when the craft reaches constant velocity.
c. Acceleration depends on the initial push of the object for it to start moving. The harder the initial opposite force acting on it the higher acceleration the craft is going to have.
d. Based on this lab, I would expect to have constant velocity when the craft fished accelerating and reached the speed it would remain at.
e. Some members during this lab were harder to stop because some had more mass than others. As I explained earlier mass and inertia coincide with one another. With more mass, that means the object is harder to accelerate both negatively and positively.
b. I learned that inertia has a lot to do with the mass of something. The greater the mass the more the harder the initial force for the object to start is harder to create, and the same with slowing down. I also learned that while gliding on the hovercraft, equilibrium is reached when the craft reaches constant velocity.
c. Acceleration depends on the initial push of the object for it to start moving. The harder the initial opposite force acting on it the higher acceleration the craft is going to have.
d. Based on this lab, I would expect to have constant velocity when the craft fished accelerating and reached the speed it would remain at.
e. Some members during this lab were harder to stop because some had more mass than others. As I explained earlier mass and inertia coincide with one another. With more mass, that means the object is harder to accelerate both negatively and positively.
Tuesday, September 10, 2013
Inertia Demonstration
The ball is constantly spinning because of the acting force of the curved edges in the glass bowl, after being acted on by the outside spinning force.
Introduction
What do you expect to learn in physics this year?
This year in physics, I expect to learn many different concepts that deal with understanding what physics is all about. The first thing I expect to learn is the concept dealing with the forces of nature. I believe this will help me get a better grasp of all of regions of sciences. The next thing I intend to learn are Newton's laws. And lastly, I would like to learn something about the basics of mechanics.
Why do you think studying physics is important?
Studying physics is very important because it is the foundation of all the other sciences. Physics is the study of the laws of nature that apply to people’s everyday lives. Physics helps people get an understanding of how everything living and nonliving around them works.
What questions do you have about physics this year?
The questions I have about physics this year are, will we be learning about any mechanics or basic machines? Are we going to lean anything about how certain every day items work? What can physics be used for outside the classroom? I would like to learn about how physics is used in everyday things, whether its dealing with mechanics or construction.
What goals do you have for yourself in physics this year?
Some of my goals for physics this year include, getting a better background for understanding different sciences, understand how physics is used in our every day lives, and try to actually understand this class in depth and not just be a surface learner.
This year in physics, I expect to learn many different concepts that deal with understanding what physics is all about. The first thing I expect to learn is the concept dealing with the forces of nature. I believe this will help me get a better grasp of all of regions of sciences. The next thing I intend to learn are Newton's laws. And lastly, I would like to learn something about the basics of mechanics.
Why do you think studying physics is important?
Studying physics is very important because it is the foundation of all the other sciences. Physics is the study of the laws of nature that apply to people’s everyday lives. Physics helps people get an understanding of how everything living and nonliving around them works.
What questions do you have about physics this year?
The questions I have about physics this year are, will we be learning about any mechanics or basic machines? Are we going to lean anything about how certain every day items work? What can physics be used for outside the classroom? I would like to learn about how physics is used in everyday things, whether its dealing with mechanics or construction.
What goals do you have for yourself in physics this year?
Some of my goals for physics this year include, getting a better background for understanding different sciences, understand how physics is used in our every day lives, and try to actually understand this class in depth and not just be a surface learner.
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