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# Physics IA 0906 Planning

Extracts from this document...

Introduction

Name: Anh Linh

Class: 5Y

EXPERIMENT 0906:

Factors that affect spring system.

Aim:

To investigate the interaction of various spring systems.

Research Question:

In this experiment, we will investigate the relationship between the spring constant and its shape or form. In addition, we will also investigate how the connection of the springs in a spring system (both series and parallel) affects the spring constant.

Hypothesis:

I believe that various spring systems, the spring constant of the system will change. The smaller the size of the spring, the more extend it is, and on the contrary the bigger the size of the spring, the lesser it will extend. Also prove that the spring system that connected in

Middle Compressed Distance  Prediction:

Selecting Variable & Apparatus list (Combined):

Independent variable:

• 1 thin spring
• 1 fat spring
• 1 set of same springs.

Dependant variable:

• Displacement (x) _ 100cm ruler.

Controlled variables:

• Acceleration due to gravity g (ms-2) = 9.81
• Mass of the block (use only one for the whole experiment): 500g (brass) metal block

Diagrams:

1. Different size and shape of springs apply on the same brass metal block.

2. Different way to connect the spring system:

Method for the control variables:
• Mass (m): same mass for the whole experiment, using the 500g brass metal block.
• Displacement (x): Using 100cm ruler to measure the displacement x. The ruler should be long enough because if

Conclusion

Position the meter rule next to (but not touching) the spring so that the amplitude of oscillation can be controlled.For the first experiment, doing the same step 1 and 2 but using the different spring, fat and thin one. Then record down the 2 x.For the second experiment, spring in series will have the mass at the end of the second spring, but for the spring in parallel, I think we should use the string to connect both end of the 2 springs then hang the mass on the string. Then record the 2 x of  the 2 spring systems.

Data Collection:

1st experiment:

 Parallel Series Mass (m) 500g 500g Displacement (x)

2nd experiment:

 Thin Fat Mass (m) 500g 500g Displacement (x)

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