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

It this experiment the aim is to make sense of the data that I collect from my experiment using the relevant formulas.

Extracts from this document...

Introduction

Katy Morris                Physics Coursework        41240        1714

It this experiment the aim is to make sense of the data that I collect from my experiment using the relevant formulas.

The experiment is rolling a steel ball of weight of 28.09g down a ramp.  I will roll the ball at different heights.

Once I have collected my results I will analysis my data using the relevant formulas and graphs.

The following formulas I could use in the analysis of my data

image00.png        Speed = Distances / Time

image00.png        Force = Mass x Acceleration        

image00.png        Pythagoras

image00.png        Kinetic energy = ½ x mass x speed²

image00.png        Potential energy

image00.png        Trigonometry

Also I could use the following kinetic equations

image00.png        S=UT + ½AT²

image00.png        V² = U² + 2AS

image00.png        V = U + AT

image00.png        A = (V – U)/T

As you can see from the diagram the ramp will me placed against a table at a height of 0.92M and the maximum length that the ball can be rolled is 244cm as that is the length of the slope.image01.png

Things that could affect the ball are:

  • Air resistance on the ball as it goes down the hill
  • Friction on the ball at the point where it touches the ramp
...read more.

Middle

Time  B (seconds)

Time C (seconds)

Average time (seconds)

A

B

C

A + b + c / 3

0.2

0.38

0.25

0.25

0.21

0.4

0.47

0.4

0.41

0.29

0.6

0.53

0.56

0.47

0.363333

0.8

0.69

0.65

0.65

0.446667

1

0.78

0.89

0.72

0.556667

1.2

0.96

0.85

0.84

0.603333

1.4

0.97

0.9

1.1

0.623333

1.6

0.91

1

1.03

0.636667

1.8

1.12

1.09

1.09

0.736667

2

1.15

1.15

1.13

0.766667


image03.png


The graph that my results produced wasn’t what I was expecting. After a while they results become a bit hard to predict what the next result will me.  From the results that I collect I hope to calculate:

  1. The speed of the ball,
  2. Its acceleration,
  3. Power,
  4. Velocity,
  5. Kinetic and potential energy.
  1. The speed of the ball:

If we take our table and add the speed column:

Speed = distance x time

Eg.        0.2m x 0.29 = 0.06

...read more.

Conclusion

image00.png        The surface, which the ball was rolled down, could have been uneven and as the ball was rolled at different places this could have had an effect.

GRAPHS

  1. This graph is a distance time graph- the graph was a smooth curve.  When I added a line of best fit the points were all close to the line.  Time is proportional to the distance that the ball has travelled.
  2. Graph 2 Shows force over acceleration.  To have acceleration you need a big force.
  3. Graph 3 had a funny middle in it with a hump.  I added a straight line but it still didn’t look right.  I am not sure why this happened.
  4. The distance over acceleration graph produced a straight line as you would expect as distance is proportional to the acceleration to the ball
  5. Speed against distance graph produced a smooth curve.
  6. Velocity against time started as a smooth curve but in the middle the velocity went up and then smoothed out.  The higher the ball the greater the velocity
  7. Distance against potential energy, the higher the ball the greater potential energy it has.

...read more.

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

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. Bouncing Ball Experiment

    the properties of both determine the percentage of the kinetic energy either possesses approaching the collision that is conserved subsequent to the collision taking place (Coefficient to restitution) discounting the effects of air resistance. For a falling object the Coefficient to restitution (CR)

  2. Investigate and measure the speed of a ball rolling down a ramp.

    1 2 3 4 5 Average m/s 8.2 2.349 4.37 4.44 4.44 4.41 4.41 4.414 0.453 16.4 4.703 2.75 2.8 2.81 2.84 2.88 2.816 0.710 24.6 7.065 2.37 2.37 2.44 2.44 2.39 2.402 0.832 32.8 9.439 1.96 1.97 2.03 2.03 2.03 2.004 0.998 41 11.829 1.78 1.78 1.78 1.85 1.82

  1. Trolly Experiment

    a = (v-u)/ t a = Acceleration 2. v2 = u2 + 2as v = Final Velocity 3. s = ut + 1/2at2 u = Initial Velocity 4. s = 1/2(v + u)t s = Distance 5. v = u + at t = Time As well as this

  2. In this experiment I aim to find out how the force and mass affect ...

    When I measure the times for the balls, In theory it should not matter what ball I should use as mass should not matter to the acceleration. However to make it a 'proper' fair test, I will only use one ball for all the readings.

  1. Approximate Stopping Distances

    engine will have to work harder as there will be air resistance acting against the car. Sports cars are very aerodynamic so they can travel at high speeds and reduce the air resistance working against the car. This is why they have very powerful brakes because they need something equally as powerful to stop the car.

  2. Squash Ball and Temperature Investigation

    40 12 11 12 13 13 61 61? 5 12 50 17 16 17 18 18 86 86 ? 5 17 60 21 21 19 19 19 99 99 ? 5 20 70 22 21 21 22 22 108 108 ? 5 22 80 26 25 25 26 25 127 127 ( 5 25 90 26 26 26

  1. Investigating the amazingness of theBouncing Ball!

    The ball does all the moving and conservation of momentum by bouncing. The energy which a body possesses solely because it is moving is called kinetec energy. The kinetic energy of a body can be defined as the amount of work it can do in coming to rest, or what

  2. Making sense of data.

    Any angle above 45o will have too much vertical velocity and not enough horizontal force, therefore just going up and down, without gaining much distance. Angles less than 45o will have more horizontal force, but not the height, so will not be able to achieve the maximum distance, falling quickly to earth.

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