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F = m g
= 10 x 10 = 100
d = 0,2
r = 0,1
A = πr x r
= 3,14 x 0,1 x 0,1 = 0,0314
x = 50 cm
Δx = 0,02 cm
ditanya, regangan? tegangan? modulus elastisitas
jawab.
#regangan = Δx/x
= 0,02 / 50
= 0,0004
# tegangan = F/A
= 100 / 0,0314
= 3184,7
# modulus = F . X/ A ΔX
= 100 50 / 0,0314 0,02
= 790000