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Goal: From the photos below, determine the Field Strength of Earth in Abu Dhabi.
How much does the Earth pull on you?
Please open your Grav Field Strength assignment in Google Classroom.
Electronic Data Collection:
Electronic Data Collection:
The mass hanger has a mass of 0.050 kg. Masses were added in 0.050 kg increments. Scroll through the photos to collect the data.
Using Google Sheets, create a graph of the data collected.
Which variable should be on the x-axis?
Which variable should be on the y-axis?
Add an appropriate trend line (most likely linear).
Display the equation describing the trend line on the graph.
Describe the relationship (slope or gradient of the trend line) between the mass added and the force value.
Analogue Data Collection:
Analogue Data Collection:
The mass hanger has a mass of 0.005 kg. Masses were added in 0.050 kg increments. Scroll through the photos to collect the data.
Take your measurements using the NEWTONs scale.
Using Google Sheets, create a graph of the data collected.
Which variable should be on the x-axis?
Which variable should be on the y-axis?
Add an appropriate trend line (most likely linear).
Display the equation describing the trend line on the graph.
Describe the relationship (slope or gradient of the trend line) between the mass added and the force value.
Comparison of Data
Comparison of Data
Answer in Digital Notebook.
Copy and paste your graphs into your digital notebook onto the slide titled F=mg.
Describe and compare the trend lines of the two data sets.
If you were to draw 3 free body diagrams from 3 different masses, how would they compare to each other.
What are the strengths and weaknesses of both collection technique?
How would the readings on the spring scales change if the experiment was completed on:
the moon
Mars
Guiding Questions
Guiding Questions
Some additional information
Some additional information
Graphing Your Data
Graphing Your Data
Find the average of data. - Not needed for F=mg data.
2. Insert a Chart
Select non-continuous data by using the COMMAND key.
Select the first column, press and HOLD Command, select second column.
3. Add a Trendline
4. Add Titles and Axis Labels
Numeric Meaning of the Slope/Gradient:
Numeric Meaning of the Slope/Gradient:
Using the trend line feature on the Google Sheets, include the label "Use Equation." This will give you an equation in the form of:
Describe the significance of the value of the slope/gradient (m).
Describe the significance of the y-intercept (b).
Units of the Slope/Gradient:
Units of the Slope/Gradient:
Simplify the final fraction to determine the units of the slope/gradient.
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