This is the question I am working on:(adsbygoogle = window.adsbygoogle || []).push({});

An adult is pulling two small children in a sleigh over level snow. The sleigh and children have a total mass of 47 kg. The sleigh rope makes an angle of 23 degrees with the horizontal. The coeffcient of friction between the sleigh and the snow is 0.11. Calculate the magnitude of the tension in the rope needed to keep the sleigh moving at a constant velocity. (Hint: The normal force is not equal to the force of gravity.)

I drew a FBD diagram and broke the information down;

m = 47 kg

a = 0

uk = 0.11

Now the way I was going to do it was find normal force, then use that in (FN)(uk ) = Fk to find the kinetic friction.

Then I was going to put Fk = Ft (kinetic friction = tension)

However, I am having difficulting finding the normal force, since it is not equal to force of gravity.

Thanks in advance.

O, and it's my first day here, hello all posters.

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# Homework Help: Coefficients of Friction

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