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8/9/2019 Parachute Jumper
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PARACHUTE
SJK (T) ALOR GAJAH,
78000 ALOR GAJAH,MELAKA.
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PROBLEM
How does a
paa!"#$e%s s"apea&d 'a$ea
a*e!$ $"e speeda$ w"!" $ +as
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A-M
To investigate the relationshipbetween the materials of theparachute and the speed of
fall.A-M /
To investigate the relationshipbetween the shape of theparachute and the speed of fall.
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HPOTHES-S
The octagon shape parachute
took longer time to reach theground compared to rectangularand square shape parachutes.
HPOTHES-S /
The parachute made from plastic
took longer time to reach the groundcompared than the parachute thatmade from nylon and cotton cloth.
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APPARATUS 1EE2E2
Scissors
S$#d3s$&4
Trash bagMarker PenPaper Cup
Hoep#&!"
Calculator
Me$a
#e
Ta&spae&$
$ape
Co$$o&
!o$"13o&!o$"
StopWatch
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5AR-ABLES
Ma&p#a$ed. T"e s"ape o+ $"e
paa!"#$e/. T"e 'a$ea o+ $"e
paa!"#$e
Respo&d&4T'e $ae& 3 $"epaa!"#$e $o ea!" $"e
4o#&d
Co&s$a&$. Aea o+ $"e paa!"#$e
(900!':)/. ;e4"$ o+ $"e . He4"$ dop o+ $"e
paa!"#$e (=' )
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E?pe'e&$ Po!ed#es
. T"e s"apes o+ a s@#ae, e!$a&4e ,a&do!$a4o& ae daw& o& $"e $as" a4.
/. T"e s"apes ae !#$ #s&4 a pa o+ s!ssos.
=. T"e e4"$ ed4es a$ $"e e&d o+ ea!" s"apeae 'aed #s&4 a 'ae.
>. Re&+o!e $"e 'aed aea w$" $"e$a&spae&$ $ape.
. A "oe & ea!" 'aed aea #s&4 "oep#&!" s 'ade.
9. T"e s$&4 s $ed a$ ea!" o+ $"e "oe.
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7. T"e s$&4 s ?ed w$" $"e
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Res#$s
Type of
materials
Time taken to reach the
ground Average
Time
SpeedT1 T2 T3 T4 T5
Cotton cloth
1.! 1.5" 1.24 1."" 1.4# 1.41 2.13
$ylon cloth 1."1 1.!1 1."" 1.!" 1.#1 1.%% 1."#
&lastic 'ag
2.2 2.2# 3.5" 4.1 4.11 3.23 .#3
!periment "
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Res#$s
Plastic#ylonCotto
n
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Res#$s!periment $
Shape of
the
&arachute
Time taken to reach the ground
Average SpeedT1 T2 T3 T4 T5
S(uare
2.%" 3.#" 1.%" 1.#1 1.%# 2.44 1.23
)ectangle
1.%5 2.23 1."" 1.43 1.1" 1."5 1.!2
*ctagon
3.1 2.4 1.#5 3.5! 2.#4 2.%! 1.!
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Res#$s
Square
%ectangle
&ctagon
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2s!#sso&s E?pe'e&$
To calculate the speed of the parachute weuse the formula below'
Speed F ds$a&!e $aDeed (')
T'e $ae& (s)
T"e paa!"#$e w$" $"e 4"$es$'a$ea ($as" a4) $oo o&4e $'e$o +a a& aDea4e a&d $"e paa!"#$ew$" $"e "eaDes$ 'a$ea (!o$$o&!o$") dd +a +as$e a& aDea4e.
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To calculate the speed of the parachute we usethe formula below'
Speed F ds$a&!e $aDeed (')
T'e $ae& (s)
T"e es#$ s"ows $"a$ $"e paa!"#$e & $"es"ape o+ a o!$a4o& "aDe $"e sowes$
des!e&d e!a#se $"ee w e 'oe da4a&d a ess$a&!e a!$&4 o& $"e o!$a4o&
s"ape !a#s&4 $ $o "aDe $"e sowes$des!e&d.
2s!#sso&s E?pe'e&$ /
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Co&!#so& E?pe'e&$
O# !o&!#so& s $"a$ o# "3po$"ess wass#ppo$ed, $"e paa!"#$e w$" $"e "eaDes$ we4"$dd +a +as$e $"a& $"e paa!"#$e w$" $"e 4"$es$we4"$. T"ee+oe $"e speed o+ $"e paa!"#$e wase*e!$ed 3 $"e paa!"#$e 'a$eas.
Co&!#so& E?pe'e&$ /
;e eeDe $"e es#$s we "aDe !oe!$ed aeeaso&a3 eae a$"o#4" $"ee ae so'e's!ea&eo#s es#$s s#!" as e*e!$ 3 $"e w&d+o' $"e s#o#&d&4 a&d pa!e. A&3 wa3 -$ was!o&!#ded $"a$ $"e o!$a4o& s"ape paa!"#$ede'o&s$a$ed $"e sowes$ oDea aDea4e des!e&da$e !o'paed $o e!$a&4#a a&d s@#ae s"apepaa!"#$es.
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T"a&
o#
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