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Weight effect on sliding friction
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Data Analysis:
6.1:
The first lab consisted of pulling a wooden block with a spring scale at a steady rate across four different surfaces. The surfaces were wax paper, paper towel, fine sandpaper, and coarse sandpaper. We had to pull the block across each of these surfaces to determine how much force we need to defeat friction. When I pulled the block over the wax paper, it moved with a small amount of force. Paper towel was also in the low range of force. However, with the fine and coarse sandpaper, much more force was required to move the block along. Therefore, the surface that had the lowest amount of friction was the wax paper, and the surface that had the largest amount of friction was the coarse sandpaper.
6.2:
In this second lab, we had to stack blocks and pull them across a flat surface at a steady rate. I started with one block and went up to four blocks. With one block, the force required was one Newton. With four blocks, the force required was 2.5 Newton’s. When the mass was increased, the force had also increased. For every block that was added, the force went up ...
We ran into Newtons First Law, which claims that an object resists change in motion, as the marble rolled down the floor it didn’t stop until it was acted against by friction. As we moved on, Newtons Second Law came into play when we were creating our lever as we need a ball that would roll down with enough acceleration that it could knock down the objects. Newton’s second law claims, that F=MA. So, we choose a golf ball since it would have more mass than a rubber ball, but it would have less acceleration when the lever was started. This way, it would knock the upcoming objects. Newtons Third Law claims that every action yields an equal and opposite reaction. This is proven in our Rube Goldberg Machine when the small car was rolling down the tracks as the wheels pushes against the track making the track move backwards. The track provides an equal and opposite direction by pushing the wheels forward.
Law and Order: SVU (Special Victims Unit) and Bones were the two shows I decided to watch for analyzing content. The reason more than one show was picked was because I wanted a little variety in the information and data I was receiving. Different shows are going to provide different information and provide different data. These two shows covered a wide spectrum of crime shows and would be helpful in providing variety in the data collection process. My topic of choice was gender and how gender roles are portrayed in these television shows. I chose Law and Order: SVU and Bones because they portray two very different versions of crime shows. Law and Order: SVU is a crime show that shows the police side of the crime process. This show deals specifically with the arrest, fact-finding process, and trial process of a crime. It does not deal with the scientific aspect of determining how victims were killed or hurt. Bones in contrast, is not entirely focused on the arrest and trial process but more specifically focuses on the scientific and anthropological aspect of determining facts in a crime scenario. Although the show does have some of the police actions involved, its main focus is on science. In conjunction with this idea, I find these two shows the most enjoyable to watch and was curious about how they portrayed gender roles. The question was whether they would be similar or not.
Newton’s second law states that when a net force is applied to an object, that object will experience a change in velocity, and will undergo acceleration. That acceleration is proportional to the net force applied, and inversely proportional to the mass of the object. In other words, the heavier an object is, it will require a greater force to move the object the same amount (e.g., distance) as a lighter object. ( https://www.grc.nasa.gov/www/k-12/airplane/newton2.html)The mathematical equation that expresses Newton’s second law is:
Newtons second law can be indentified more easily using the equation F=ma. This is an equation that is very familiar to those of us that wish to do well in any physics class! This equation tells us many things. First it tells us the net force that is being exerted on an object, but it also tells us the acceleration of that object as well as its mass. The force on an object is measured in Newtons (I wonder where they got that from). One Newton is equal to one (kg)(m)/s^2. For example, if superman pushes on a 10,000kg truck and it is moving at a rate of 2m/s^2, then the force that superman is exerting on the truck is 20,000N. For those of us that wish to move on in the field of physics, Newtons second law (F=ma) will forever haunt us!
Today there is a split in American politics on how to combat poverty. Throughout history, how America combats poverty has changed depending on what party is running the government. There has been a number of different parties however, Republican, Democrat, The Bull Moose Party, and other various ones. However, these views can be put into two main categories: The Liberal ideology and the Conservative ideology.
Prompt: Define Newton’s Third Law, give three effects of it, and create an experiment designed to explore one aspect of it.
Despite Russia being unstable during the 1860s due to political conflicts, class conflicts, and various revolutionary ideologies shaking up traditional customs, women were still constantly trapped in their own state of oppression. Women were faced with inequality everywhere - from their community, to even their own family. Compared to men, they were subordinated legally at every social level and weren’t allowed to participate in occupations outside of their domestic work. In What is to Be Done?, Nikolai Chernyshevsky implements much of the intelligentsia’s ideas for transforming the subordination of women. The novel centers on Vera Pavlovna, a woman who escapes a suffocating lifestyle and forced marriage, becomes an entrepreneur, and finds her own true love with the help of her new found independence. Chernyshevsky uses Vera’s journey as an example of how a woman is oppressed and how she is able to be liberated from that oppression.
In the experiment these materials were used in the following ways. A piece of Veneer wood was used as the surface to pull the object over. Placed on top of this was a rectangular wood block weighing 0.148-kg (1.45 N/ 9.80 m/s/s). A string was attached to the wood block and then a loop was made at the end of the string so a Newton scale could be attached to determine the force. The block was placed on the Veneer and drug for about 0.6 m at a constant speed to determine the force needed to pull the block at a constant speed. The force was read off of the Newton scale, this was difficult because the scale was in motion pulling the object. To increase the mass weights were placed on the top of the ...
Edward Joseph Snowden is a former CIA technician, Booz Allen Hamilton's former employee, and a former NSA defense contractor. Edward Snowden had leaked a secret of NSA through an interview with Glenn Greenwald from The Guardian which startled the world. In his disclosure, Snowden revealed about NSA that they are mining data works all along and secretly monitoring U.S. citizens' personal information by accessing through different servers.
The force on a small object is bigger than the same force acting on a
The purpose of this experiment was to help students grasp two main ideas. One problem was that we were trying to investigate which forces caused specific types of accelerations and velocities. The second purpose was to learn how to determine acceleration from experimental data. This experiment helped me and my partner figure out and better understand these questions.
F = ma : where F is force; m is the mass of the body; and a is the acceleration due to that particular force
The acceleration of a body or object is directly proportional to the net force acting on the body or object and is inversely proportional to its mass. (F=ma)(Newman)
If a force acts on a body, the body accelerates in the direction of the force. In the example of the force of gravity, small things like textbooks are pulled downward toward the center of the large mass of the Earth, not up into space, even if some people think that this might happen. Isaac Newton was the first to conceive of weight as the gravitational attraction. between the body and the Earth. The force that results from the gravitational attraction of the Earth on its surface is what we call weight. Science has chosen to measure the mass of objects in units that are roughly equivalent to the weight of those objects on Earth.
In the natural world, physicists find new discoveries constantly. Some of these discoveries include the study of motion and forces. The well-known scientist, Isaac Newton, came up with the three laws of motion, which state rules and facts about the movement of an object. Our textbook states the laws of motion, as ?A body in motion will remain in motion at a constant speed and direction unless an outside force acts upon it. The net force acting upon an object is directly related to the mass and acceleration of the object resulting acceleration is in the direction of the net force, which is the vector sum of all forces acting upon the object. Finally, the third law of motion states that when one object applies a force to another, the other object applies the same amount of force back to the first object, but in opposite directions.? With these laws of motion, we can understand in detail how our world works. Also, that the movement of an object is more complex than a simple push. This discovery is taught to students all over the world because of its great importance and will continue to enhance the knowledge of the mystery of our earth.