A Grade Gcse Physics Experiment – Investigation Into The Effect of Parachute Surface Area in Relation to Its Fall Time
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I am going to analyze the impact of a parachutes place in regards to its drop time.
I calculate that the bigger the place of the parachute the greater interval it will take to reach the ground. This is because a bigger place will have a bigger air level of level of resistance importance that more air pollutants conflict with the parachute contrary to less scaly place. In the same way, when the place is reduced, plenty of your energy and energy taken for it to reach the ground decreases because less air pollutants conflict with the parachute, i.e. there will be less air level of level of resistance. Also, although a parachute with a bigger place would think about more and therefore experience an improved downwards energy of intensity, it would still have much more air level of level of resistance and so, would still not drop faster than less scaly parachute.
Firstly I will cut out eight different scaly parachutes from papers. The parachutes will be of range 12cm, 11cm, 10cm, 9cm, 8cm, 7cm, 6cm and 5 cm. The designs are similarly propagate because when I come to tale my outcomes they will be much easier to research and hopefully a schedule will appear.
I will then assess a dimension 2 actions and create a level on the surfaces on which I will drop each parachute from. I will drop each of the parachutes four times in finish and with a stop-watch I will record plenty of your energy and energy taken for the parachute to reach the ground from plenty of your energy and energy when is reduced to the aspect when it hits the ground. I will take the regular drop time from each parachute and record the outcomes on a information.
How a parachute is made
A team is cut out with the appropriate range. A highly effective variety is drawn smooth in a trench from the middle to the benefits. A noticeable variety is then drawn 60o away from the highly effective variety. The highly effective variety is cut and transformed round to meet up with the noticeable variety where it is trapped in place. A parachute type is designed. (See strategy 1)
The devices I will use in this analysis are as follows:
Paper A5 – that can be cut into different scaly circles
There is not much security to consider in this analysis however, I will create sure this analysis is as protected as possible.
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There are different aspects which can be customized in this analysis. I am however, due to my variety of enquiry, going to alter the place of the parachutes. The aspects I will control will be the dimension I drop the parachute from, the type of material I use for the parachute and the conditions of the environment, also the large (i.e. I will not put any papers sections or clay-based on the parachutes.)
Below is a desk showing the impact of changing aspects. (Table 1)
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To create sure the analysis is affordable I will keep all the aspects the same apart from the one I am changing. I will also try and carry out the analysis to greatest level of perfection I can manage. What this means is that I will drop the parachute from the same dimension whenever but the place will be customized whenever. I will keep the air slots and windows closed as this will impact the quantity at which the parachute falls. Although air level of level of resistance and intensity will impact the drop of the parachute, I cannot control these factors; however, it will be the same for each analysis so the outcomes should be neutral.
Below is a example information (graph 1) to show the type of outcomes I predict to obtain.
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Below are the outcomes I have obtained
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I can see, by tracking the desk that the bigger the place of the parachute the greater interval it took to reach the ground. What this means is that the bigger the place the more air pollutants (air resistance) hit the parachute. In the same way, little scaly the place of the parachute the less air level of level of resistance there was.
On the next two websites is a Bar Information and scatters information showing the outcomes of the analysis. (draw a bar data from the outcomes you have obtained)
In summary, there is very highly effective evidence to show that the bigger the place (radius) of the parachute the more it will take to drop to the ground. This is because more air pollutants conflict with the parachute when there is more place contrary to less scaly place. Even though there is more intensity doing on the bigger parachutes little scaly ones are more arranged and also have less air level of level of resistance. These two aspects therefore designed that they reduced to the ground in less sized time.
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Diagram 1 shows that there was less air level of level of resistance because the place of the parachute has less sized impact scaly than that the parachute in strategy 2 i.e. the parachute in strategy 1 is more arranged and so reduced more quickly contrary to the other less arranged parachute.
The evidence I have obtained shows that my forecast “the bigger the place of the parachute the greater interval it will take to reach the ground” was appropriate. Also the facts I drawn showing the outcomes I expected equalled up the schedule of the actual outcomes.
All of my outcomes set my schedule of outcomes. I did not have any problems when I was starting the analysis apart from with time. There were a few times when I got amazingly “bogus” times that were more than a 2 a few minutes out from the do it again times. I overrode this by time the drop of the parachute again.
The fantastic of my evidence is excellent, there were no aspects on my propagate information that were not on, or near to the variety of best fit, There were also enough outcomes to show that my forecast was appropriate. I only circled two anomalous outcomes that were near to the variety, but not as near as the other outcomes.
All of the strategy proven valuable well apart from when. The time was too complicated to create as accurate as possible as this would have have a price. I had to rely on my reactions as to when the parachute was reduced and when it came. However my reactions would have been similar on each of the parachutes.
I could have got a friend to time but the outcomes would have transformed out relatively similar. Another way I could have timed would be if I used some type of system that could have timed the drop of the parachute, but as formerly described it would have have a price and would not be available.
By assessing the persistent times on each of the parachutes I can see that they were similar and each one was within a Tenth of a second of each respect. From this evidence I think my outcomes were quite effective.
Regarding the two anomalous outcomes I circled on the propagate information, they might not have been accurate because of the strategy of time.
In buy to provide additional evidence and improve my analysis to discover out more and returning up my summary I could perhaps get a system that would drop and time the drop of each parachute. I could also change the material and see if I get a similar schedule of outcomes. I might consider changing the range of the parachutes I already have and record the outcomes. Another factor I could change is the dimension I drop the parachutes from and see if this outcomes the summary I have designed, also the body weight could impact my idea about air level of level of resistance.
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