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Kroken

Trenger hjelp med denne:
A 60 kg house painter stands on a 15 kg aluminum platform. The platform is attached to a rope that passes through an overloaded pulley, which allows the painter to raise herself and the platform. With what force f must she pull down on the rope to accelerate herself and the platform upward at rate of 0.80m/s^2?
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josi

Kroken wrote:Trenger hjelp med denne:
A 60 kg house painter stands on a 15 kg aluminum platform. The platform is attached to a rope that passes through an overloaded pulley, which allows the painter to raise herself and the platform. With what force f must she pull down on the rope to accelerate herself and the platform upward at rate of 0.80m/s^2?
Finnes komentarer til en identisk oppgave, men med litt andre tall her: https://matematikk.net/matteprat/viewto ... 29&t=49945
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