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# Investigate how the deflection of a cantilever depends on the distance of a load is hung from the point it is clamped.

Extracts from this document...

Introduction

Name:  Asim Razaq

Form:10/T

- To investigate how the deflection of a cantilever depends on the distance of a load is hung from the point it is clamped.

-

- We know that cantilever is used for supporting one end of a construction. However, weight affects the flexibility of the ruler, used on the experiment. I predict that the bigger the distance, the bigger the deflection.

:-

Independent                        Dependent                        Controlled

Middle

- I must make sure I use the same weight each time.

- I must keep the clamp in place.

- Two ‘1 metre’ rulers

- A clamp stand

- A ‘G’ Clamp

- 7N weight

- Set up the apparatus like above diagram.

- Measure from floor to the top of the ruler. (NOTE: measurement 0cm at bottom)

- Decide where the measurement will be taken from.

- Then clamp the ruler at the bottom to receive the correct measurement.

- Decide how much the ruler will stick out of the table. (At 70cm)

- Using the ‘G’ clamp, tighten it with the ruler to the table.

Conclusion

There were a few anomalies in my results so the experiment was not accurate. This was due to several reasons:-

• The ruler that was held by a clamp stand was not straight to get accurate measurement.
• The table clamp may have not been fixed properly, therefore giving inaccurate measurements and also jilting back and forth.
• The ruler may have not been flexible enough to give deflection.

In order to make the experiment more accurate, I would have to:-

• Make sure that the table clamp is fixed onto the table properly.
• Use rulers that are flexible to give out accurate measurements.
• Try to use and appropriate clamp stand that will hold the ruler straight

-  -

This student written piece of work is one of many that can be found in our GCSE Height and Weight of Pupils and other Mayfield High School investigations section.

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