The y-intercept of the trendline represents the unknown resistive (frictional) force. What is the magnitude of this force in N? Enter a number with 3 digits behind the decinal point.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Assume motion in one dimension. You want
to determine the mass of an object, by
applying a known force F to it and measuring
the objects acceleration a. However, there is
also an unknown resistive force -f acting on
the object, so that the net force is Fnet = F - f.
In addition, your force sensor drifts slightly, so
that its readings are not very accurate. You
therefore make 4 measurements. For F = 1, 2,
3, and 4 N you measure the accelerations
6.26, 12.21, 19.26, and 26.39 m/s².
respectively.
Enter these data into an Excel spreadsheet
and produce a graph of F versus a. Add a
trendline, and Choose "Linear", "Display
equation on chart". Do NOT set the intercept
equal to zero. Format the trendline label so
that it shows 3 decimal places.
Assume F f = ma, or F = ma + f.
The y-intercept of the trendline represents
the unknown resistive (frictional) force. What
is the magnitude of this force in N?
Enter a number with 3 digits behind the
decinal point.
Transcribed Image Text:Assume motion in one dimension. You want to determine the mass of an object, by applying a known force F to it and measuring the objects acceleration a. However, there is also an unknown resistive force -f acting on the object, so that the net force is Fnet = F - f. In addition, your force sensor drifts slightly, so that its readings are not very accurate. You therefore make 4 measurements. For F = 1, 2, 3, and 4 N you measure the accelerations 6.26, 12.21, 19.26, and 26.39 m/s². respectively. Enter these data into an Excel spreadsheet and produce a graph of F versus a. Add a trendline, and Choose "Linear", "Display equation on chart". Do NOT set the intercept equal to zero. Format the trendline label so that it shows 3 decimal places. Assume F f = ma, or F = ma + f. The y-intercept of the trendline represents the unknown resistive (frictional) force. What is the magnitude of this force in N? Enter a number with 3 digits behind the decinal point.
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