Gravity Force Lab

Objective:
Our objective was to see how mass affects gravitational force. We wanted to see if it positively affected, negatively affected, or had no affect on the gravitational force.

Plan:
We would test this theory by using the force meters that were given to us in class. We would hook them up to the laptop that had logger pro and use that to see how weight had affect on the number of newtons acting on the force meter. We would attach weights to the bottom of the force meter of various weights and then write down in a data table what the newtons were in relation to each differing mass. Once we found that, we would use the information in the data tables to create a graph with the mass that is measured in kilograms on the x-axis and force, measured in newtons on the y-axis. Once the dots are plotted, we would make a line representing the direction of the correlation. We would make this graph by putting the point in Xcel and having the program graph the line and give us the formula that the information would provide.  good

As you can see from the data table, we used differing weights that were, at first, twice as much as the previous, but the last weight is only 0.1 kg larger than the previous because we could not double the previous weight. However, as seen from the graph, there is some sort of correlation between the mass (kg) and the force that is attributed to that mass.
title the graph

VM: As the mass (Kg) increases, the force of gravity (N) increases proportionally. 

MM: Force = (9.8298 N/Kg)mass + 0.0076 N 

Slope: For every kg the force increased 9.8298 N.

Y-int: When mass is at 0, force is at 0.0076 N. 

very good

Claim/Evidence/Conclusion

The force increased proportionally with the increase of mass. The graph shows that each time more weight mass was added to the device, the force of gravity increased with it. There was no decrease with the increase of mass. The difference between mass and weight is a very difficult concept to grasp. In the simplest and most easy to understand terms, mass is how much stuff is in something and weight is the force of gravity that is acting on an object. Subsequently, all things with mass have a corresponding weight. All the graphs are the same because we are all on the planet Earth. All the masses that we measured in relation to force we measured by how much of the Earth's gravity is acting on the object. They each have a different force of gravity, however the force of gravity is proportionate to the mass and therefore is a constant increase in the graph. very good - just state how much the increase is!  And the new equation - This also explains why light and heavy objects all hit the ground at the same time. With the different forces of gravity, their is also a different mass of object. Consequently, objects of larger mass have bigger weight. This mass to weight ratio, if put against another object of a lighter weight and less mass would be proportionate to the other. Thereby, allowing both to fall to the ground, and hit the ground at the same time. excellent!