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

physics investigation- stopping distance

Extracts from this document...

Introduction

Thomas Stirling 13jn

Candidate number: 2671

Physics Investigation

Introduction

In my investigation I intend to gather enough evidence and explanation to see if and how the mass of a ball will affect its stopping distance.

I will carry out a series of tests starting with changing the mass of the ball then changing height which it’s dropped from.

Predictions

I predict that the mass of a ball will most defiantly affect the distance it takes to stop because as the mass increases, the amount of friction with the surface will increase which will slow down the ball sooner.

I believe if the mass of the ball is doubled the friction with the surface it’s on will double and therefore half the distance taken to stop.

Equipment

For my investigation the equipment I will require is:

  • A ramp and stand ( 1 metre long)
  • Carpet (2 by 0.5 metres)
  • 2 balls of different masses but same size  ( ball 1, 2.8g and ball 2, 44.9g)
  • 2 metre rules

My setup

My setup is pretty simple I will use a ramp with a rule along it and some carpet for the balls to roll along I will then use another rule to measure the distance taken to stop.

image00.png

...read more.

Middle

Car no added mass (cm)

Car plus 17.4g (cm)

Car plus 100g (cm)

1

187

172

269

2

190

189

259

3

189

184

265

4

190

178

274

5

189

181

264

Average

189

180.8

266.2

Analysis

From these results it is clear that my prediction is only partially correct as the mass of an object does affect its stopping distance but the relationship is not as linearly as I expected, as the mass is doubled the stopping distance is not halved this is due to the momentum that the object gains, when more mass is added the object gains more momentum proven with the momentum formulae momentum = mass * velocity, so the object will travel feather with more mass, this will explain why when the mass of my car had an extra 100g it travelled a further 77.2 cm. although its not that simple because we have to take into account friction, as the mass increases the gravitational pull of the earth will increase which in turn increases the amount of friction between the car wheels and the surface they roll on and a greater friction will slow down the car and reduce its stopping distance, this will explain why when I added only 17.4g the stopping distance was less .

...read more.

Conclusion

Conclusion

In my experiment I aimed to find out whether or not the mass of a ball affects its stopping distance and if so how does it. I started out thinking I knew what was going to happened and that friction was the only point to consider, after my second test I knew something wasn’t right and decided to use the toy car, using the toy car was a massive benefit as I could change the mass so much easier and all other variables where kept the same (e.g. coefficient of friction). It was my first set of results with the toy car when I realised I had to take into account momentum this then explained everything about my previous results and everything fell into place. Feathering my investigation out of pure interest I decided to work out the balancing mass of friction and momentum but due to time restrictions I am only able to make an estimate of 42g due to extrapolating my graph. I enjoyed my physics investigation and wish I had more time to further it more.

Newbold community school

Centre number: 23148

...read more.

This student written piece of work is one of many that can be found in our AS and A Level Mechanics & Radioactivity 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 AS and A Level Mechanics & Radioactivity essays

  1. Marked by a teacher

    AS OCR B Advancing Physics Coursework - Making Sense of Data

    4 star(s)

    2.5926162 0.57 2.8853172 2.9127168 0.62 3.1384152 3.136465867 0.67 3.3915132 3.424660467 0.72 3.6446112 3.653970867 0.77 3.8977092 3.810972467 0.82 4.1508072 4.121122867 0.87 4.4039052 4.436269867 0.92 4.6570032 4.822332467 The graph shows that both energy forms increase in direct proportion to the distance fallen.

  2. Peer reviewed

    The Physics of Windsurfing

    4 star(s)

    Tape the shapes to the open ends of the "wing." The flat edge of the shapes should be on the bottom of the wing (see illustration). 10. Taking the 7.5-cm straw handles, one in each hand, draw the fishing line tight and position it so the line is perpendicular to the floor.

  1. Peer reviewed

    Catapult Investigation

    3 star(s)

    (to extend the experiment I could investigate this section of the graph (15+N) * Final experiment work For our final experiment we would fire just one 100g weight but this time the variable would be the force pulled back on the elastic band not the force put on it like in the trial experiment.

  2. Force of Friction experiment

    This was because the brick surface was too rough that it was actually not a flat surface. Additional force is required to move the block up and down. The motion was not sliding at all. Therefore the theory of 0<<1 does not hold in this case.

  1. OCR B Advancing Physics Physics Practical Investigation Coursework Investigating Simple Harmonic Oscillations

    1.52 0.48 0.30 1.90 1.38 0.52 0.35 1.80 1.28 0.52 0.40 1.70 1.20 0.50 The previous graph shows the discrepancies between observed and expected values, with a difference of around 0.5 Hz. A difference of this nature possibly indicates that the signal generator was producing frequencies approximately 0.5Hz higher than measured.

  2. Multi-bladed Pumps. Does the number of propellor blades affect the efficiency of a ...

    As such, I decided not to consider investigating this variable. Angle of propeller blade inclination is possible to vary, but I found the range of angles possible with the materials I had chosen were too limited. I developed a method of cutting out rectangles of polypropene sheeting, boiling them in

  1. Parachute Investigation

    Pre-test Before the actual experiment, a pre-test was carried out to ensure accuracy and that all the correct factors will be used for the final experiment. These are the 5 weights which will be used: 1/2 oz (14.1g) 1 oz (28.4g)

  2. See how the angle of a ramp affects the speed of a cylinder moving ...

    = Distance (m) / Time (s), we can ascertain the speed of the cylinder on its way down the ramp.

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