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l = 1m
t = 0,5m
F = 200 N
Dit = a.A1 , A2 , A3
= b.P1 , P2 , P3
Jwb = a. A1 = p × l
= 4m × 1m
= 4 m2
A2 = p × t
= 4m × 0,5m
= 2 m2
A3 = l × t
= 1m × 0,5m
= 0,5 m2
b. P = F/A
P1 = F/A1
= 200N/4 m2
= 50N/m2
P2 = F/A2
= 200N/2 m2
= 100N/m2
P3 = F/A3
= 200N/0,5 m2
= 400N/m2
**maaf kalau salah