PHYS 310 Week 7 Labs DeVry
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PHYS
310 Week 7 Labs DeVry
PHYS 310 Week 7
LAB A
Experiment
7A: Centripetal Force
Scenario/Summary
The
objective of this exercise is to use computer-based measurements to explore the
concept of uniform circular motion and to measure the centripetal force that
causes the object to rotate in a circle.
Deliverables
|
Category
|
Points
|
%
|
Description
|
|
Questions 1, 2, and 3
(1 point each) |
3
|
10
|
The student completely follows instructions
and answers the questions correctly.
|
|
Questions 5, 6, 8, 9, 10, and 11
(2 points each) |
12
|
40
|
The student completely follows instructions
and answers the questions correctly.
|
|
Question 7
|
5
|
17
|
The student completely follows instructions
and answers the questions correctly.
|
|
Question 4
(10 points) |
10
|
33
|
The student completely follows instructions
and answers the questions correctly.
|
|
Total
|
30
|
100
|
A quality report will meet or exceed all of
the above requirements.
|
Required
Software
This Lab will
use the following Lab Resources:
- Virtual Lab – Citrix
- PASCO
Capstone(Links
to an external site.)Links to an external site.
Use a
personal copy of the software or access the Lab Resources, go to the Course
Resources page – Lab Resources section.
Lab Steps
STEP 1:
Review Lab Instructions for Experiment 7a
Review
detailed instructions
for this week’s lab (Links to an external site.)Links to an external site. and
access the Capstone file. Follow the steps in this document to complete the lab
activity.
STEP 2:
Complete the Data Sheet
Download
the lab report
template (Links to an external site.)Links to an external site. for
this week’s lab. Use this template to complete your lab report.
Save
your file using the filename format “lastname_firstinitial_Lab7a.” For example,
if you are Albert Einstein and you are submitting your Lab 7a, the filename
should be “einstein_a_Lab7a.”
STEP 3:
Submit Your Deliverable
Remember
to submit your assignment for grading when finished.
LAB B
Experiment
7B: Archimedes’ Principle and the Buoyant Force
Scenario/Summary
The
purpose of this exercise is to measure the buoyant force on and the volume of
water displaced by a submerged hanging mass. By varying the volume of the mass
you will verify Archimedes’ Principle.
Deliverables
|
Category
|
Points
|
%
|
Description
|
|
Questions 1, 2, 3, 5, 12, 13, 14, 15, 17
(1 point each) |
9
|
30
|
The student completely follows instructions
and answers the questions correctly.
|
|
Questions 6, 9, 11, 16
(2 points each) |
8
|
27
|
The student completely follows instructions
and answers the questions correctly.
|
|
Questions 7, 8, 10
(3 points each) |
9
|
30
|
The student completely follows instructions
and answers the questions correctly.
|
|
Question 4
(4 points) |
4
|
13
|
The student completely follows instructions
and answers the questions correctly.
|
|
Total
|
30
|
100
|
A quality report will meet or exceed all of
the above requirements.
|
Required
Software
This Lab will
use the following Lab Resources:
- Computer with PASCO Capstone software
installed
- Capstone
experiment file: cap
Use a
personal copy of the software or access the Lab Resources, go to the Course
Resources page – Lab Resources section.
Introduction
An
object that is submerged in a fluid will displace its own volume of the fluid.
Archimedes’ principle states that the displaced volume of fluid exerts a
buoyant force on the object that is equal to the weight of the displaced fluid.
In this experiment a hanging mass (see the figures) is suspended from a force
sensor by a string. The apparent weight of the mass is measured before and
after it is completely submerged in a glass graduated cylinder that has been
filled with approximately 40 mL of water. The displaced volume is measured by
comparing the water levels before and after the hanging mass is submerged. The
buoyant force is measured by the difference in the apparent weigh of the mass
before and after it is submerged. The measurement is repeated for total masses
ranging from 0.400 kg to 0.100 kg. A graph of the buoyant force versus the
displaced
volume can be fit to a straight line. The slope of the straight line should be
equal to the density of water times the acceleration due to gravity.
This
exercise is different from the other labs in this course. The experiment has
been done for you. You will analyze the data.
Lab Steps
STEP 1:
Review Lab Instructions for Experiment 7b
Review
detailed instructions
for this week’s lab (Links to an external site.)Links to an external site. and
access the Capstone file. Follow the steps in this document to complete
the lab activity.
STEP 2:
Complete the Data Sheet
Download
the lab report
template (Links to an external site.)Links to an external site. for
this week’s lab. Use this template to complete your lab report.
Save
your file using the filename format “lastname_firstinitial_Lab7b.” For example,
if you are Albert Einstein and you are submitting your Lab 7b, the filename
should be “einstein_a_Lab7b.”
STEP 3:
Submit Your Deliverable
Remember
to submit your assignment for grading when finished.
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