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I intend to investigate the rule of F = M*A and so investigate the relationships between acceleration, force and mass and how they affect each other.

Extracts from this document...

Introduction

Physics Coursework. Hannah Coombes. 27.01.04

The Bouncy Ball Experiment

Aim:

I intend to investigate the rule of F = M*A and so investigate the relationships between acceleration, force and mass and how they affect each other.

Preliminary Workings:

The main aim of my project is to investigate three factors, and so I will start off with a few lines about each of them.

The idea of a force is fundamental to physics and it is simply thought of as a push or a pull, but this is not satisfactory for my purposes. We cannot see a force but instead we can see its effect on an object, so forces are described in terms of what they do. Forces tend to cause changes in an objects.

1. Shape or size

2. Speed in a straight line

3. Direction

Forces are measured in newtons (N), named after the person who first invented this unit. When several forces act on an object, they can either combine to give an overall force - which will change the object's shape or motion - or they could cancel each other out, giving no overall force. In the last case it could be said that the forces are 'balanced'. If there is no force acting, or if all the forces acting on an object are balanced, then there will be no change taking place.

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Middle

33cm

33cm

70cm

34cm

36cm

35cm

35cm

80cm

40cm

41cm

41cm

41cm

90cm

41cm

46cm

44cm

44cm

100cm

53cm

57cm

56cm

55cm

Ping Pong ball

Medium (Light)

10cm

8cm

7cm

6cm

7cm

20cm

11cm

11cm

12cm

12cm

30cm

16cm

18cm

20cm

18cm

40cm

20cm

23cm

22cm

22cm

50cm

27cm

30cm

31cm

29cm

60cm

35cm

36cm

35cm

35cm

70cm

39cm

40cm

39cm

39cm

80cm

45cm

47cm

49cm

47cm

90cm

51cm

52cm

50cm

51cm

100cm

55cm

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Conclusion

Evaluation:

Overall I was quite pleased with what I have managed to take from the experiment, not so much the results but the information, which I have been able to take out of it. Although my results were the readings that I expected to take, I was very happy indeed with the procedure and the way in which I still managed to maintain fair conditions for it to take place. Of course if I did indeed do the experiment again I would have to take different aspects into consideration.

The main aim of my experiment was to prove that the higher you drop a ball from, the higher it will bounce overall. The bottom line is that I think I proved this point very well.

Further Experiments:

The next experiment that I would put into action would be either of the ideas that I have suggested in the last section so that my overall results would be closer to those that I had expected.

...read more.

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