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Diket : m = 4 kg s = 8 m h = 4 m ditanya : a. W b. KM c. F jawab: a. w = m x g = 4 x 10 = 10 N sin θ = 4/ 8 = 1/4 W = w x sin θ x s ( karena bidang miring) = 40 x 1/4 x 8 = 10 x 8 = 80 J b. KM = s/h = 8/2 = 4 c. KM = w/F F = w/KM = 40/4 = 10 N
ditanya : a. W b. KM c. F
jawab:
a. w = m x g = 4 x 10 = 10 N
sin θ = 4/ 8 = 1/4
W = w x sin θ x s ( karena bidang miring)
= 40 x 1/4 x 8 = 10 x 8 = 80 J
b. KM = s/h = 8/2 = 4
c. KM = w/F
F = w/KM = 40/4 = 10 N