Question

Sobre un velero actúa la fuerza del motor de 900 N y perpendicularmente a ella, la del viento de 750 N. Si se mueve con MRU, ¿qué fuerza de rozamiento actúa sobre el barco?

Answer 1

`F=F_(f)=1171.5 N`

Step-by-step explanation:

We know that the sailboat has a uniform movement, therefore the total force, the engine, and the wind must be equal to the friction force.

`F=F_(f)`

`F=F_(f)=\sqrt{F^(2)_(engine)+F^(2)_(wind)}`

`F=F_(f)=\sqrt{900^(2)+750^(2)}`

`F=F_(f)=1171.5 N`

Therefore the friction force is 1171.5 N.

I hope it helps you!