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Verified answer
Hukum I Newtonm = 15 kg
F = 30 N
fₖ= 24 N
a = 0 (v konstan)
cos α = _ ?
∑ F = 0
Fₓ - fₖ = 0
Fₓ = fₖ
F cos α = 24
cos α = 24 / F
cos α = 24 / 30
cos α = 0,8
OK Bro?