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Lab 7 Circular Motion
Lab Assignment 7: Circular MotionInstructor’s Overview
Circular motion is an integral part of our everyday lives. We ex ...
Lab 7 Circular Motion
Lab Assignment 7: Circular MotionInstructor’s Overview
Circular motion is an integral part of our everyday lives. We experience circular
motion when we leave highways on cloverleaf exits and on amusement park
rides. Countless systems and devices leverage circular motion. We will discuss
real-world applications in this module's discussion. In this lab, you will directly
experiment with uniform circular motion and quantify the behavior of a simple
system. To execute the lab, you'll synthesize your knowledge and experience
with free-body diagrams and Newton's second law.
In this lab, you will create a simple system of two different masses connected by
a piece of fishing line. Here's the twist: The fishing line is threaded through a
tube. You will rotate the tube and achieve an equilibrium situation where the
lower mass is vertically stationary. You will then use your knowledge of circular
motion to analyze the situation.
This activity is based on Lab 8 of the eScience Lab kit.
Take detailed notes as you perform the experiment and fill out the sections
below. This document serves as your lab report. Please include detailed
descriptions of your experimental methods and observations.
Experiment Tips:
Make sure you use fishing line instead of string for the experiment. Can you
guess why?
Be careful when you rotate the mass. Be aware of your surroundings so
nothing is inadvertently hit by the rotating mass.
Enlist the aid of a partner to time your experiments.
Date:
Student:
Abstract
Introduction
Material and Methods
Results
Data table:
*Complete this column after performing the calculation in question 5 below.
Based on your results from the experiment, please answer the following
questions:
Drawacircletorepresentthepathtakenbyyourrotatingmass.Placea
dot on the circle to represent your rotating washer. Add a straight line from
the dot to the center of the circle, representing the radius of rotation (the
string). Now label the direction of the tangential velocity and the centripetal
force.
Hereisadiagramofourexperimentalsituation:
Radius
(meters)
Time for 15
revs
Period (sec)
Theoretical Period
(sec)*
0.25
0.40
0.15
Please add vectors to create a free-body diagram. Assume that m1 is
rotating at a speed v with a constant radius R.
The following forces should be included in your free-body diagram:
Tension in the string
Centripetal force on the rotating mass
Gravitational force on the hanging mass
Hint: Each mass experiences the tension in the string. The string tension
ultimately cancels out when you solve Newton's equations of motion for
both masses.
Fromyourfree-bodydiagram,writethesumoftheforcesexperiencedby
mass m1. From your free-body diagram, write the sum of the forces
experienced by mass m2.
(For the equation for mass m1, use the following relations to replace the
speed, v: v = ωR, where R is the radius of rotation ω = 2π/T, where T is the
period of rotation.)
In question 4 you will solve the two above equations to obtain the period of
the rotating system in terms of the radius of rotation and the two masses,
m1 and m2.
Solvetheaboveequationfortheperiod,T.
Now let's look at the special case of our experiment: 4m1 = m2. Show
that our general expression for the period T becomes:
Using this expression for the period, fill in the theoretical period in the
results table.
Howdidtheperiodofrotationvaryasyouchangedtheradius?Howdoes
the angular frequency change?
7. Wereyourexperimentalvaluesclosetothetheoreticalvalues?Howcould
you improve the experiment to reduce error?
Conclusions
References
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Most Popular Content
bology and math for clinical calculation
can you google those question and answer for me. the answers are online just need to put in your own words. if you google ...
bology and math for clinical calculation
can you google those question and answer for me. the answers are online just need to put in your own words. if you google and did not see it I will send a link of the answers. DO NOT START MY WORK LATE AND EXPECT ME TO GIVE MORE TIME. I NEED NO LATER THAN THE TIME GIVEN. IF U CANT WORK WITH ME DONT BID OR TAKE MY WORK
15 pages
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PROPERTIES THAT DISTINGUISH ORGANIC FROM INORGANIC COMPOUNDS
Organic compounds are unstable. They are combustible, with many having no sharp melting points, decomposing, and charring at moderately high temperature. Most are non-electrolytes. Most organic compounds contain the
3 pages
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The pandemic has caused a heavy toll so far from the global perspective. One of the very interesting and yet confusing top ...
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The pandemic has caused a heavy toll so far from the global perspective. One of the very interesting and yet confusing topics is the human body's ...
Grossmont College PhysioEx Metabolism and Thyroid Hormone Lab Report
Complete the PhysioEx Endocrine Writeup here. Make sure to review and apply the instructions found in the PhysioEx Writeu ...
Grossmont College PhysioEx Metabolism and Thyroid Hormone Lab Report
Complete the PhysioEx Endocrine Writeup here. Make sure to review and apply the instructions found in the PhysioEx Writeup instructions. The writeup only addresses Activity 1, Parts 1-4. You will be required to Peer Review the writeup of other students before the end of the day Tuesday. Your resubmission will be Sunday of Week 6. The quiz for this week will focus on Activities 2-4. I will not be able to provide feedback on writeups before they are submitted. I will not be able to accept writeups not submitted on Canvas by the due date. I will not be able to accept writeups not submitted as a Word, PDF or Google doc.
Lab 7 Circular Motion
Lab Assignment 7: Circular MotionInstructor’s Overview
Circular motion is an integral part of our everyday lives. We ex ...
Lab 7 Circular Motion
Lab Assignment 7: Circular MotionInstructor’s Overview
Circular motion is an integral part of our everyday lives. We experience circular
motion when we leave highways on cloverleaf exits and on amusement park
rides. Countless systems and devices leverage circular motion. We will discuss
real-world applications in this module's discussion. In this lab, you will directly
experiment with uniform circular motion and quantify the behavior of a simple
system. To execute the lab, you'll synthesize your knowledge and experience
with free-body diagrams and Newton's second law.
In this lab, you will create a simple system of two different masses connected by
a piece of fishing line. Here's the twist: The fishing line is threaded through a
tube. You will rotate the tube and achieve an equilibrium situation where the
lower mass is vertically stationary. You will then use your knowledge of circular
motion to analyze the situation.
This activity is based on Lab 8 of the eScience Lab kit.
Take detailed notes as you perform the experiment and fill out the sections
below. This document serves as your lab report. Please include detailed
descriptions of your experimental methods and observations.
Experiment Tips:
Make sure you use fishing line instead of string for the experiment. Can you
guess why?
Be careful when you rotate the mass. Be aware of your surroundings so
nothing is inadvertently hit by the rotating mass.
Enlist the aid of a partner to time your experiments.
Date:
Student:
Abstract
Introduction
Material and Methods
Results
Data table:
*Complete this column after performing the calculation in question 5 below.
Based on your results from the experiment, please answer the following
questions:
Drawacircletorepresentthepathtakenbyyourrotatingmass.Placea
dot on the circle to represent your rotating washer. Add a straight line from
the dot to the center of the circle, representing the radius of rotation (the
string). Now label the direction of the tangential velocity and the centripetal
force.
Hereisadiagramofourexperimentalsituation:
Radius
(meters)
Time for 15
revs
Period (sec)
Theoretical Period
(sec)*
0.25
0.40
0.15
Please add vectors to create a free-body diagram. Assume that m1 is
rotating at a speed v with a constant radius R.
The following forces should be included in your free-body diagram:
Tension in the string
Centripetal force on the rotating mass
Gravitational force on the hanging mass
Hint: Each mass experiences the tension in the string. The string tension
ultimately cancels out when you solve Newton's equations of motion for
both masses.
Fromyourfree-bodydiagram,writethesumoftheforcesexperiencedby
mass m1. From your free-body diagram, write the sum of the forces
experienced by mass m2.
(For the equation for mass m1, use the following relations to replace the
speed, v: v = ωR, where R is the radius of rotation ω = 2π/T, where T is the
period of rotation.)
In question 4 you will solve the two above equations to obtain the period of
the rotating system in terms of the radius of rotation and the two masses,
m1 and m2.
Solvetheaboveequationfortheperiod,T.
Now let's look at the special case of our experiment: 4m1 = m2. Show
that our general expression for the period T becomes:
Using this expression for the period, fill in the theoretical period in the
results table.
Howdidtheperiodofrotationvaryasyouchangedtheradius?Howdoes
the angular frequency change?
7. Wereyourexperimentalvaluesclosetothetheoreticalvalues?Howcould
you improve the experiment to reduce error?
Conclusions
References
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