Lab 5 Report - Centripetal Force
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School
California State University, Long Beach *
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Course
4A
Subject
Aerospace Engineering
Date
Apr 3, 2024
Type
docx
Pages
5
Uploaded by ChancellorPrairieDog4314
Irvine Valley College
Physics 4A Lab Report
LAB 5: CENTRIPETAL FORCE
Experiment Date: 7/14/20
Name:
Researcher
:
Analyst:
PI:
LAB 5: CENTRIPETAL FORCE
DATA
Table 1. First Trials Data - Fixed radius measurements
Radius
r ±δr
(cm)
±
Hanging Mass
M ±δM
(g)
Mean Angular
Speed
ω
(rad/s)
Standard
Deviation
σ
ω
(rad/s)
Number of
Data Points
N
Mean Angular
Speed
Uncertainty
σ
ω
(rad/s)
±
±
±
Table 2. Second Trials Data - Fixed mass measurements
Hanging Mass
M ±δM
(g)
±
Radius
r ±δr
(cm)
Mean
Angular
Speed
ω
(rad/s)
Standard
Deviation
σ
ω
(rad/s)
Number of
Data Points
N
Angular
Speed
Uncertainty
σ
ω
(rad/s)
±
±
±
±
Lab 5: Centripetal Force
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GRAPHS
Attach Pasco graph of angular speed for the 15-cm radius, 20-g mass configuration. Attach Pasco graphs of hanging mass versus mean angular speed
and radius versus mean angular speed
.
SAMPLE CALCULATIONS
For the 20
gram mass, attached when the side post was at a distance of 15.0
cm
from the center post, show the
calculation for the uncertainty for the mean angular speed
σ
ω
=
¿
Experimental mass m calculated
from the trendline of the graph of hanging mass versus angular speed:
m
=
¿
Experimental mass uncertainty
calculated
from the graph’s trendline of hanging mass versus angular speed:
δm
=
¿
Experimental mass m
calculated from the trendline of the graph of radius versus inverse angular speed:
m
=
¿
Experimental mass uncertainty calculated from the trendline of the graph of radius versus inverse angular speed:
δm
=
¿
Percent Difference between the two experimental masses:
PD
=
¿
Lab 5: Centripetal Force
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TABLE OF RESULTS
Theoretical Equation
M
=
mr
g
ω
2
PASCO Trendline Equation
M versusω
❑
Quadratic Term
A±δ A
Experimental Mass
m ±δm
(g)
Theoretical Equation
r
=
Mg
m
1
ω
2
PASCO Trendline Equation
r versusω
Amplitude Term
A±δ A
Experimental Mass
m ±δm
(g)
Percent Difference
Experimental Mass
(%)
QUESTIONS
Lab 5: Centripetal Force
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1.
Describe the correlation between the variables in each graph. (For each graph, which quantities are linearly related to each other?)
2.
Identify the independent variable(s) for each part of this experiment. Be specific and use proper vocabulary.
3.
Identify the fixed variable(s) for each part of this experiment. Be specific and use proper vocabulary.
4.
Identify the dependent variable(s) for each part of this experiment. Be specific and use proper vocabulary.
CONCLUSION
Lab 5: Centripetal Force
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