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PERSONAL INFO
Complete Name: Atirah RahmanNick Name: Tira
Ages: 21 years old
Place, Date Birth: Lapeo, Noem!er 1"th1##$
Adress: BTN Restika Pallangga, %o&a
Tri!e: 'andaris(mail: atirahrahman)gmail*com
BIOGRAPHICALINFORMATION
EDUCATIONAL BACKGROUND
2+++2++": -DN "+ Pole&ali2++"2++#: -'PN . Pole&ali
2++#2+12: -'AN $ Pole&ali
2+12No&: -tate /niersity o0 'akassar
mailto:[email protected]:[email protected]
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THE PRINCIPLE OFCONSERVATION OFMECHANICAL ENERGY
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OBJECTIVE Prove the applicability of the principle
ofconservation of echanical ener!y at aconstant !ravitational force
"el#$
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TH%OR& Ob'ects ovin! (n#er a constant !ravitational
force
"el#) for e*aple in the case of free fall otion)(p+ar# vertical
otion an# pro'ectile otion)echanical ener!y consist of constant
!ravitationalpotential ener!y %P , !h an# -inetic ener!y .%
, ) so the la+ echanical ener!y conservation +ecan +rite/
anginan, 2++2:2"#3
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%*aple Cese
Conserva!on o" ener#$ on a ro%%er &oaser r!'e(eans )a )e oa%
a(o*n o" (e&)an!&a%ener#$ !s )e sa(e a ever$ %o&a!on
a%on# )era&+, T)e a(o*n o" +!ne!& ener#$ an' )e
a(o*n o" -oen!a% ener#$ !s &onsan%$&)an#!n#, Ye )e s*(
o" )e +!ne!& an' -oen!a%ener#!es !s ever$.)ere )e sa(e, T)!s
!s!%%*srae' !n )e '!a#ra( /e%o., T)e oa%(e&)an!&a% ener#$
o" )e ro%%er &oaser &ar !s a&onsan va%*e ,
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TOOL0 AN1 MAT%RIAL
The stan# 2 piece
Claps 3 pieces
Ra4or 2 piece
Threa# Ball 2 piece
Paper
Carbon paper
R(ler 2 piece
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1%FINITION OF 5ARIABL%
Hi!h 6h7/ is the hei!ht of the ball is eas(re# +itha r(ler fro
the botto s(rface to the point A +iththe (nit $
Hi!h 6y7/ is the hei!ht of the ball is eas(re# +itha r(ler fro
the botto s(rface to the point B +ith
the (nit $ 1istance 6*7/ the #istance the ball is eas(re#
+ith
a r(ler fro the botto s(rface parallel to point Bto point A +ith
the (nit
Mass 67/ is the ass of the ball) as eas(re# bythe balance of the
(nit -!
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PRINCIPLE E0PERIMENT
1.Stringing tools like the image below.
2. At the deviation alpha, with a heighth, the ball is released.
A motion
happens to B and then the rope broke
from B to C
3. Let it be known with the unknown
uantities of the kineti! energ" and
potential energ" ea!h bulb, while at
points A, B, and C
Note# $or motion B%C applies#
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&. 'o it again e(periment 2 with the first set height h and
". measure
distan!es (. repeat for height h different and re!ord in a table
results
were obtained#
). Compare the me!hani!al energ" obtained at point A and B based
on
the results of e(periments !ondu!tedCompare the me!hani!al
energ"
obtained at point A and B based on the results of e(periments
!ondu!ted
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%8P%RIM%NT R%09LT
No$h
67
*
6
7
y
6
7
In point A In point BEP1(#) 2J3
J3
EP4EK
2J3
EP1(#$
2J3
EP4EK
2J3
5 6 7 8 9 : ; < = >
2 6> =
5;
>?: > >?9 >?68 >?9 >?5 >?:
3 68 55 6>?9
>?; > >?: >?7> >?: >?5 >?;
; 6< 59 66?9
>?< > >?; >?8> >?; >?5 >?
2 6> =
5;
>?: > >?9 >?68 >?9 >?5 >?:
3 68 55 6>?9
>?; > >?: >?7> >?: >?5 >?;
; 6< 59 66?9
>?< > >?; >?8> >?; >?5 >?
