Upload
avalinvog
View
30
Download
0
Embed Size (px)
DESCRIPTION
force and torque lab for ap physics
Citation preview
Force and Torque LabForce and Torque LabBy Ciara Benson,By Ciara Benson,
Amy and Amanda Baer-Peckham, Amy and Amanda Baer-Peckham,
and Ava Linvogand Ava Linvog
EquationsEquations
∑∑FF11 = T - F = T - Fff - m - m11gsingsinθθ
∑∑FF11 = T - = T - μμmm11gcosgcosθθ - m - m11gsingsinθθ
μμ = (T - m = (T - m11gsingsinθθ)/(m)/(m11gcosgcosθθ))
∑∑FF22 = T - m = T - m22gg
T = mT = m22gg
Experimental ValuesExperimental Values
μμ = 0.59 ± .01 = 0.59 ± .01
T = 11.29 ± .01 NT = 11.29 ± .01 N
Free Body DiagramFree Body Diagram
AppleAppleWineWine
ThumThumbb
FingersFingersApple - .1755 mApple - .1755 m
Wine - .0769 mWine - .0769 m
Fingers - .0373 mFingers - .0373 m
Plate - .0808 mPlate - .0808 m
NNAA
WWAA
NNWW
WWWW
FFFF
FFTT
WWPP
PlatePlate
NNPP
Known ValuesKnown Values
WWAA = 2.332 N = 2.332 N
WWWW = 2.058 N = 2.058 N
WWPP = 7.781 N = 7.781 N
rrAA = .1755 m = .1755 m
rrWW = .0769 = .0769 mm
rrPP = .0808 m = .0808 m
rrFF = .0373 m = .0373 m
EquationsEquations
∑∑FFyy = W = WAA + W + WWW + W + WPP + F + FTT - F - FFF
FFTT = -W = -WAA - W - WWW - W - WPP - F - FFF
∑∑ƬƬ = W = WAArrAA + W + WWWrrWW + W + WPPrrPP - F - FFFrrFF
FFFF = (W = (WAArrAA + W + WWWrrWW + W + WPPrrPP)/ r)/ rFF
Experimental ValuesExperimental Values
FFFF = 21.75 ± .01 N = 21.75 ± .01 N
FFTT = -33.92 ± .01 N = -33.92 ± .01 N