1) Curve fitting Data from an experiment to estimate a spring constant k. The mass measured in grams is added to the spring and the displacement is measured in mm. k=m*g/8 m(g) 8(mm) 15.5 5.00 F=k* 8 10.00 33.07 20.00 53.39 50.00 100.00 140.24 301.03 Fit a straight line to the data and determine the Spring Constant “k”.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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In matlab code 

### Curve Fitting

**Objective:**
This experiment is designed to estimate a spring constant, denoted as \( k \).

**Method:**
A mass, measured in grams, is added to a spring, and the resulting displacement is measured in millimeters (mm).

**Formulas:**
- The force \( F \) applied to the spring is given by the formula: 
  \[
  F = k \times \delta
  \]
- Solving for the spring constant \( k \), we have: 
  \[
  k = \frac{m \times g}{\delta}
  \]

**Data Table:**

| Mass \( m \) (g) | Displacement \( \delta \) (mm) |
|------------------|-------------------------------|
| 5.00             | 15.5                          |
| 10.00            | 33.07                         |
| 20.00            | 53.39                         |
| 50.00            | 140.24                        |
| 100.00           | 301.03                        |

**Instructions:**
- Fit a straight line to this data.
- Determine the spring constant \( k \) from the slope of this line.

### Explanation:
The data provided consist of different masses applied to a spring and corresponding displacements measured. The goal is to fit these data points with a linear model to find the spring constant, which describes the stiffness of the spring. The relationship between the force applied and displacement allows determination of \( k \) as per Hooke's law, using the linear trend observed from the data.
Transcribed Image Text:### Curve Fitting **Objective:** This experiment is designed to estimate a spring constant, denoted as \( k \). **Method:** A mass, measured in grams, is added to a spring, and the resulting displacement is measured in millimeters (mm). **Formulas:** - The force \( F \) applied to the spring is given by the formula: \[ F = k \times \delta \] - Solving for the spring constant \( k \), we have: \[ k = \frac{m \times g}{\delta} \] **Data Table:** | Mass \( m \) (g) | Displacement \( \delta \) (mm) | |------------------|-------------------------------| | 5.00 | 15.5 | | 10.00 | 33.07 | | 20.00 | 53.39 | | 50.00 | 140.24 | | 100.00 | 301.03 | **Instructions:** - Fit a straight line to this data. - Determine the spring constant \( k \) from the slope of this line. ### Explanation: The data provided consist of different masses applied to a spring and corresponding displacements measured. The goal is to fit these data points with a linear model to find the spring constant, which describes the stiffness of the spring. The relationship between the force applied and displacement allows determination of \( k \) as per Hooke's law, using the linear trend observed from the data.
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