c vbxfxdhxdfhdcfbdbxdbfdxfzdhztttg
dzcgncn
Môn: Giao tiếp Sư Phạm 125 tài liệu
Trường: Trường Đại học Sư Phạm Hà Nội 3.7 K tài liệu
Tác giả:
Preview text:
Date:............. Month:.............. Year:..................
Laboratory: ............................ Experiment No. 1:
DETERMINATION OF THE MOMENT OF
INERTIA OF A WHEEL AND THE FRICTIONAL
FORCE IN THE ROTATION AXIS Student Full Name Group: Instructor's Comments 1. Day: 2. Period: 3.
A – PREPARATION QUESTIONS
1.State and write the fundamental equation of rotational motion for a rigid body about a fixed axis. Explain the
significance of the moment of inertia and its units
.................................................................................................................................................................................................................................
........................................................................................................................................................... .....................................................................
2.Image of the experimental setup (you may use a hand drawing or print, cut, and paste an image below, then label the main components).
............................................................................................................................. ...................................................................................................
........................................................................................................................................................... .....................................................................
3.Briefly present the steps to collect data.
...............................................................................................................................................................................................................................
............................................................................................................................................................ ....................................................................
4. What are the quantities to be determined in this experiment? Which physical laws or physics knowledge are
applied in this experiment? Write the relevant formulas.
............................................................................................................................. ...................................................................................................
............................................................................................................................. ...................................................................................................
5. State the main structure of a vernier caliper. Briefly describe how to read a value on a vernier caliper.
............................................................................................................................. ...................................................................................................
........................................................................................................................................................... ..................................................................... 1
B. DATA PROCESSING - PRESENTATION OF RESULTS:
1. Objectives of the Experiment:
Knowledge:..................................................................................................................................................
Skills and Attitude:.................................................................................................................................... 2. Data Table:
- Mass of the weight: m = ( ............................ ± 0,0003).10-1 kg.
- Acceleration: g = (9,81 ± 0,03) m/s2.
- Accuracy of the vernier caliper: ………………
- Accuracy of the MC-963A timer: ………………
- Accuracy of the millimeter ruler T: ………………
- Highest position of the bottom of the weight: ……………………………… Lowest position:
……………………………… Trial d (mm) Δd(mm) t (s) Δt (s) ZC (mm) ΔZc (mm) 1 2 3 4 5 6 7 8 9 10 Average →
h1:………………………………………………………………………………………………………
……………………………………………… →h2:
……………………………………………………………………………………………………………………………………………………… 2
3.Calculate the Axis Frictional Force
a. Calculate the average value fms
............................................................................................................................. ...................................................................................................
........................................................................................................................................................... .....................................................................
b. Calculate the errors: ΔZA, ΔZB, ΔZc, Δh1 , Δh2, Δd, Δt
............................................................................................................................. ...................................................................................................
.......................................................................................................................................................... ......................................................................
c. Calculate the errors of fms
............................................................................................................................. ...................................................................................................
........................................................................................................................................................... .....................................................................
d. Write the measurement result for frictional force fms:
............................................................................................................................. ...................................................................................................
............................................................................................................................. ...................................................................................................
4. Calculate the Moment of Inertia of the Wheel and Rotation Axis
a. Calculate the average value of the moment of inertia I
............................................................................................................................. ...................................................................................................
............................................................................................................................. ...................................................................................................
b. Calculate the errors of the moment of inertia I.
............................................................................................................................. ...................................................................................................
................................................................................................................................................................................................................................
c. Write the measurement result for the moment of inertia I:
............................................................................................................................. ...................................................................................................
............................................................................................................................. .................................................................................................. . 3
Document Outline
- A – PREPARATION QUESTIONS
