PHY 101L Module Four Lab Report Centripetal Force
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PHY101L Module Four Lab Report Centripetal Force
Name: Dmitrius Washburn
Date: 1/31/2024
Complete this lab report by replacing the bracketed text with the relevant information.
Activities 2 and 3: Centripetal Force
Data Table 1
Trial
1
2
3
4
5
# of Washers
1
2
3
4
5
Mass of Bag with Washers (g)
25.8 g
49.9 g
73.8 g
98.0 g
122.1 g
Mass of Bag with Washers (kg)
0.0258 kg
0.0499 kg
0.0738 kg
0.0980 kg
0.1221 kg
Mass of Bobber (g)
8.8 g
Mass of Bobber (kg)
0.0088 kg
Radius (cm)
30 cm
Radius (m)
0.3 m
Circumference (m)
1.884 m
Time of 30 Revolutions (s)
13.33 s
12.08 s
11.51 s
9.95
7.62
Time of 1 Period (t)
0.44 s
0.40 s
0.38 s
0.33 s
0.25 s
Velocity (m/s)
4.28
4.71
4.96
5.71
7.54
Centripetal Force
(m
v² / r)
0.54
0.65
0.72
0.96
1.67
Weight of Washers
0.2528 kg
0.4890 kg
0.7232 kg
0.9604 kg
1.1966 kg
Percent Difference
113.61
32.92
-0.44
-0.42
39.56
Activities 1–3: Questions
1.
In Activity 1, which way did the blue marble travel when the cup was removed?
When I lifted the cup, the marble continued in the direction in which it was being spun which was counter-clockwise. So as I lifted the cup it continued to move toward the left from the top of the cup where I had marked it. I tried a few times to see if I could lift the marble with the cup using centrifugal force but wasn’t able to get the proper lift with it.
2.
You spun a bobber with a mass of 14 washers in the cylinder, and one with a mass of 8 washers in the cylinder. How does the velocity of the 14-washer bobber compare with the velocity of the 8-
washer bobber? Describe the relationship between the mass of the cylinder with the washers and the velocity of the bobber. As the mass of the bobber increases, the velocity should decrease and vice versa. This is assuming that no external torque is applied. Because of this, the 14-washer bobber should have a lower velocity than the 8-washer bobber. But in the experiment I noticed that as the weight of the bobber increased, so did the velocity.
3.
What do you notice about the relationship between the centripetal force and the weight of the cylinder with washers? Explain the reason for this relationship.
As the weight of the cylinder increases, so does the centripetal force. This is because as the weight increases, it pulls on the string and causes it to be shorter, which decreases the distance of the revolutions.
4.
How will centripetal force be affected if you double the velocity at which you spin the bobber? If the velocity at which the bobber is spun is doubled, the centripetal force would also increase.
5.
What would you expect to happen to the velocity of the bobber if the mass of the washers in the cylinder remained the same and the radius was doubled? If the radius was doubled, but the mass of the cylinder remained the same, I would expect the velocity of the bobber to decrease.
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- F(t) Force_Crate Known values: Mass of Block 68 kg TT Hs μk 0 0.63 0.53 26° Problem Statement: A crate is initially at rest on a sloped surface, when a force is applied: F(t) where t is in seconds. Answers: When t=44.47 seconds, the crate has not yet started moving. Find the magnitude of the friction force at that time: 317.771 N The direction of the friction force at that time is: down the slope Find the time required for the crate to start moving: Find the crate's speed when t=174.9 s: 9.485 m/s Be sure to include units with your answers. 169.756 S 240+0.2 N,arrow_forwardC Dynamic Analysis and Aeroelasticity SECTION B Answer TWO questions from this section ENG2012-N The moment of inertia of a helicopter's rotor is 320kg. m². The rotor starts from rest and at t = 0, the pilot begins by advancing the throttle so that the torque exerted on the rotor by the engine (in N.m) is modelled by as a function of time (in seconds) by T = 250t. a) How long does it take the rotor to turn ten revolutions? b) What is the rotor's angular velocity (in RPM) when it has turned ten revolutions?arrow_forwardVindow Help + 98% 4 Mon 9:56 A A docs.google.com F Sixth Amendment Video - Bill of Rights Lesso. G Earth and Space STAAR Review - Google S. G Nguyen - Physics STAAR Review - sics STAAR Review D @ Format Slide Arrange Tools Add-ons Help Last edit was 13 days ago O Present * Share IT 田 Background Layout- Theme Transition 1 2 TEL L 3 14 7 A diagram of the forces being applied to a box is provided (below). If the net force acting on the box is 10 N to the right, what is the magnitude of the force applied by the boy pulling to the left? Record your answer in the grid below. Show all work! Left Right 11 Newtons 8 Newtons 2. ? Newtons 21 Newtons Work/Math (2) (2 (2) (2) 40 40 40 Answer with units Click to add speaker notes )山TO@ MacBook Air 4) II F8 FIV F12 F10 000 F4 F9 F5 F6 F7arrow_forward
- UTEM Oficial Leanting MManage O Tutorial Ph/sics BMMM 1062 C ReviewAnswers.pdf php/194310/moc_lesson/page_cortents/125/1utorial%20Physics$620BMMM%201062%20Chapter%204%20Work%2C%20energy%20%20pcwer%20-%20energy%20a 4.7 Power Queston in 16,0s What Qutbut power ofthe caarrow_forwardQUESTION 7 A model tow-tank test is conducted on a bare hull model at the model design speed in calm water. Determine the effective horsepower (hp) for the ship, including appendage and air resistances. The following parameters apply to the ship and model: Ship 1,100 Model Length (ft) Hull Wetted Surface Area (ft2) Speed (knots) 30 250,000 15 Freshwater Water Seawater 50°F 70°F Projected Transverse Area (ft²) Cair 7,500 0.875 Appendage Resistance (% of bare hull) 10% Hull Resistance (Ibf) 20arrow_forwardb Account Details | bartleby + New Tab sinav.karabuk.edu.tr file:///C:/Users/Xamda/Pictures/.tmp.drivedownload/sinav.karabuk.edu.tr11.html 50% ABOKOR ABDULLAH unika Statics - MCE102 MUSE ABOKOR ABDULLAH MUSE 01 Dk 13 Sn O Soru Listesi 800 N 600 N D1. 1200 N m 02 - B al la 03- 04- 1m- -1m -1 m 1m V) 06- 2- 07- 09. O 10 V2 V3 What is the shear force value for 3arrow_forward0 Cisco Webex Meetings O Meeting Info Hide Menu Bar A 55:47 O 0 - O x Eile Edit ShareView Audio & Video Participant Meeting Help O Layout VIDHYA NAIR Vishnu Deepak YENDURI SANKEERTH Ashesh Saha SAYOOJ RS AKSHANSH CHOUDHARY AADHIL N Me Host Class 11 18.01.2022 Equivalent Force Systems.notPoweaint Ink Tool Viewing Ashesh Saha's screen hat you want to do. A A Share File Home Insert Design Tansitions Animations Slide Show Thickness Pen Highlighter Eraser Lasso Select • Select Objects Convert Stop to Shapes Inking Write Pens Ink Art Close Example 39: Replace the three forces shown in Fig. below, acting on the plate by a wrench. Specify the magnitude of the force and couple moment for the wrench and the point P(x,y) where its line of action intersects the plate. s00I N 300j N 9 10 Side S of 10 0B English India Notes Comments 12:01 P Type here to search 31°C Ao -a 00 ENG 18-01-2022 8 Unmute v O Start video O Share & Participants O Chat ... --. O L O M0 12:01 PM !- a 4) ENG 1/18/2022arrow_forwardue 9:E0 • ZAIN IQ lI. ۱۳ شباط تحرير QI: Find the result of F4 Force acting on a body as shown below: 400 N 300 N 60 30 F;= 150 N F,- 260 Narrow_forwardest 2 (copy) (page 4 of 9) A wiseup.wsu.acza/mod/quiz/attempt.php7attempt=610918cmid 148960&page=3 ops O YouTube M Gmail Maps O GENERAL MATHEM. O New Tab :WSU WiSeUp 1 MONLO GOA ashboard / My courses / FLM15B2_KF_WS6222 2021 / Tests / Test 2 (copy) uestion 4 Quz navigation Gate AB in Figure below is 1.0 m long and 0.9 wide. Calculate force F on the gate and position X of its centre of Not yet answered pressure. Marked out of Finish attempt 10,000 Rag question 3m Oil, s.g.=Q81 7m 1.0m B 50 Answerarrow_forwardItem 1 (no subje X C n My Drive X ▼ Part A ko = Value Submit Amazon.c μA Provide Feedback X Request Answer ProblemID=15630894 Al LO hp idle game Determine the radius of gyration of the pendulum about an axis perpendicular to the page and passing through point O. Express your answer to three significant figures and include the appropriate units. Units X SHE ? ME Assign W Mastering h 4:57 PM 11/29/2022arrow_forward9:-E 7490 * اكتب اسمك الثلاثي Your answer Does the box will tip or not? and Does the box will slip or not? 1 m mass=50 kg P = 100N us=0.3 60 0.5 m 1 Add file Submit Never submit passwords through Google Forms. This form was created inside of University of Diyala. Report Abuse Google Formsarrow_forwardCASIO fx-991ES PLUS ALPHA CALC EGO the car move ? [Ans. NA 16.5 kN, Ng =42.3 kN, the car does not move] %3D 5. A box weighs 150 kg. The coefficient of static friction between the box and the ground is 0.3. Determine if the 80 kg man can pull the box without slipping when the coefficient of static friction between the man's shoes and the ground is 0.4. Hint: analyse block and man separately i.e. draw separate FBDSarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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