• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Physics CourseWork - Terminal Velocity

Extracts from this document...


Laura Clements 11HR Physics Course Work Terminal Velocity Aim: To find out how the weight of an object affects the Terminal Velocity. Method: This will be done by dropping a paper cake case from a height of 2 metres and measuring the time taken from it being dropped to it hitting the floor, the weight will then be increased by adding an extra cake case each time and carrying out the same method at each weight. The time taken for the cake case to reach the ground and the distance that it is dropped from will be measured. There are not many safety precautions involved in this experiment, whilst carrying out the experiment care will have to be taken not to fall off any high apparatus if standing on it to reach the 2metres needed to drop the paper case. Apparatus: The apparatus that will be needed to do this is: � Stop Clock � Cake Cases � Metre rule Variables: The variables that might affect ...read more.


Terminal velocity is when the air resistance becomes equal to the gravity force and so acceleration stops, the object cannot go any faster it has reached terminal velocity. At the instant of release there is no friction because the object is not moving. The weight of the object makes it accelerate downwards, because gravity is acting on it, the heavier the object the faster it will accelerate. Because gravity is a constant force, it always stays the same; the velocity and the air resistance have to increase to balance it. So unless the weight of the paper case changes there is always the same force of gravity acting on it. So it is expected that there will be a straight line of best fit on our graph of results. Analysis: The results gained from the experiment show that my prediction was correct, as the amount of Newtons increase the terminal velocity is faster, the shorter time it takes for it to hit the ground. ...read more.


3.15m/s is the average increase in the terminal velocity each time another paper cake case is added. This shows that adding extra weight increases the terminal velocity quite significantly. This is because terminal velocity is when the air resistance becomes equal to the gravitational force acting on the object and so the acceleration stops. The heavier the object the shorter time it takes for it to reach its terminal velocity. Evaluation: I think the experiment worked quite well, a lot of reliable results were obtained which could be analysed easily and this meant we were able to fulfil our aim. Most of the results are quite reliable; we did 6 experiments at each weight and took an average, which meant they were quite reliable. But because of human error they may not have been as reliable as they could have been, especially as the number of paper cases, and so the weight, increased. We could have improved the experiment by using data logging, electronic sensors, to drop the paper cases through, this would have eliminated human error. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our GCSE Forces and Motion section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Here's what a teacher thought of this essay

3 star(s)

This is a nice first attempt at a report.
1. The use of subheadings to give the report structure is good, although some sections are missing.
2. The use of a diagram to illustrate a scientific concept is good.
3. The report needs an introduction that includes relevant information.
4. The report is missing a results table and graph.
*** (3 stars)

Marked by teacher Luke Smithen 22/05/2013

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related GCSE Forces and Motion essays

  1. Determining the acceleration due to gravity by using simple pendulum.

    Latitude (the earth is not a sphere) iii) The rotation of the earth. The value of g is less than it would be if the earth did not rotate. The value of g is reduced most at places where the speed of circular motion is greatest; that is, on the equator OBSERVATIONS As u set up the apparatus

  2. What affects the acceleration of a trolley down a ramp?

    The other result I consider being inaccurate is 0.76 at 40cm height. Although this isn't as obvious as the other anomaly it is still quite different in value to the other two results. Any slight difference with the light gates should be noticed, as the light gates are so accurate.

  1. Factors affecting acceleration

    I will do this with 10 weights with different masses up until 500g, as I believe I will be able to obtain a good graph with the amount of data. For my preliminary work I will use 0g, 100g, 200g and 300g to help predict what my final graph will

  2. Investigation is to see how changing the height of a ramp affects the stopping ...

    > The desktop where my investigation took place could have been bent and therefore it may have increase the speed of the car and thus led to an increase in stopping distance because of an increased force of gravity. > Also, the person who measured the stopping distance of the

  1. investigate the size of craters in sand when a marble is dropped

    If my results were completely accurate this would not happen. The graph I drew showing the averages of my three experiments came out very well. The curve is quite steep. The gradient of the curve changes constantly but causes the line to be steep.

  2. To investigate how the angle of a slope affects the acceleration of a marble.

    9.81 x Sin 40 = 6.31m/s 50 o = 9.81 x Sin 50 = 7.51m/s 60 o = 9.81 x Sin 60 = 8.50m/s 70 o = 9.81 x Sin 70 = 9.22m/s 80 o = 9.81 x Sin 80 = 9.66m/s 90 o = 9.81 x Sin 90 =

  1. Report on Newton's laws of motion

    What mechanism changes the objects motion 2. Why do some objects accelerate? Why do some objects accelerate more than other objects?(Serway, 2004) This report will be divided into three sections; in the first section, I will discuss Newton?s first law in details with some application.

  2. Rocket Essay. How Do Rockets Work?

    A good example of how rocket works is a ballon. The air inside a balloon is compressed by the balloon's rubber wall. The air pushes back so that the inward and outward pressing forces are balanced. When the opening is released, air escapes through it and the balloon is propelled in the opposite direction.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work