These problems are really giving me fits, I would really appreciate some help.(adsbygoogle = window.adsbygoogle || []).push({});

A 12200 kg sailboat experiences an eastward

force of 27400 N due to tide pushing its hull

while the wind pushes the sails with a force of

56200 N directed toward the northwest (45±

westward of North or 45± northward ofWest).

What is the magnitude of the resultant ac-

celeration of the sailboat?

I'm using Fr= square root of (Frx squared)+(Fry squared) but I'm still not getting it right. I'm thinking that maybe I drew the free body diagram wrong. Any help?

Now for this one

The distance between two telephone poles is

32 m. When a 1:15 kg bird lands on the

telephone wire midway between the poles, the

wire sags 0:182 m.

The acceleration of gravity is 9:8 m=s2 :

How much tension in the wire does the

bird produce? Ignore the weight of the wire.

So far I've drawn the diagram and got a hypotenuse of 16.001 m, but I'm unsure how to finish the problem.

Any help would be much appreciated.

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# Physics problems with Newton's Law

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