DOC PREVIEW
UMD PHYS 121 - Lecture Slides

This preview shows page 1-2 out of 5 pages.

Save
View full document
View full document
Premium Document
Do you want full access? Go Premium and unlock all 5 pages.
Access to all documents
Download any document
Ad free experience
View full document
Premium Document
Do you want full access? Go Premium and unlock all 5 pages.
Access to all documents
Download any document
Ad free experience
Premium Document
Do you want full access? Go Premium and unlock all 5 pages.
Access to all documents
Download any document
Ad free experience

Unformatted text preview:

Physics 121 11/19/10 Prof. E. F. Redish 1 11/19/10 1 Physics 121 11/19/10 2 Physics 121 11/19/10 3 Physics 121 Ei= Ef12mvi2+12Ii2+ mghi=12mvf2+12If2+ mghfmgh =12mvf2+12If2= v / Rmgh =12mvf2+12IvfR 2=12mvf2+12IR2 vf2=12m 1+ImR2vf2vf2=2gh1+ImR2Physics 121 11/19/10 Prof. E. F. Redish 2 11/19/10 4 Physics 121 11/19/10 5 Physics 121 V (m3) m (kg) VmVm==11/19/10 6 Physics 121Physics 121 11/19/10 Prof. E. F. Redish 3 11/19/10 8 Physics 121 2211AWAW=11/19/10 9 Physics 121 11/19/10 10 Physics 121 F A The force takes its direction from A. FpFpAA==Pressure has no direction! It acts in all directions at once!Physics 121 11/19/10 Prof. E. F. Redish 4 11/19/10 11 Physics 121 T T T T 11/19/10 12 Physics 121 11/19/10 14 Physics 121 F = p0 A (could be outside air pressure or due to external weights) A fluid of uniform density p0A pA W = mgPhysics 121 11/19/10 Prof. E. F. Redish 5 11/19/10 15 Physics 121 gdpppAApAdgpAApVgpAApmgFFupdown+==+=+=+=0000A d * We assumed uniform density. Is this OK? For water ( ~ 1000 kg/m3) yes. For air ( ~ 1 kg/m3) OK for meters — not km. 11/19/10 16 Physics 121 d1 d2 p1 p2 11/19/10 17 Physics 121 d1 d2 p1 p2 mgVgAddgFAgdpgdpFAppFgdppgdppApApFnetnetnetnet===+==+=+==)()()(1210201220210112The buoyant (upward) force = the weight of the fluid


View Full Document

UMD PHYS 121 - Lecture Slides

Documents in this Course
Notes

Notes

6 pages

Notes

Notes

7 pages

Notes

Notes

5 pages

Notes

Notes

4 pages

Notes

Notes

4 pages

Notes

Notes

5 pages

Notes

Notes

4 pages

Notes

Notes

4 pages

Summary

Summary

1 pages

Notes

Notes

4 pages

Notes

Notes

5 pages

Exam 1

Exam 1

6 pages

Exam 1

Exam 1

6 pages

Heat

Heat

2 pages

Exam I

Exam I

8 pages

Torque

Torque

3 pages

Exam I

Exam I

6 pages

Path

Path

2 pages

Exam 2

Exam 2

6 pages

Exam I

Exam I

8 pages

Exam I

Exam I

6 pages

Exam 2

Exam 2

6 pages

Exam 2

Exam 2

6 pages

pForce

pForce

2 pages

Math

Math

6 pages

Exam II

Exam II

3 pages

Exam

Exam

6 pages

Exam I

Exam I

7 pages

Cubes

Cubes

6 pages

Load more
Download Lecture Slides
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Lecture Slides and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Lecture Slides 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?