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January 30, 2015

January 30, 2015

Posted by **arcos15** on Friday, October 19, 2012 at 12:46pm.

(a) What is the tension T in the string?

______ N

(b) Determine the magnitude of the frictional force between the box and the plane.

______N

You then polish the plane surface, let the blocks go and they accelerate at 3.0 m/s2

(c) The rope tension is now equal to

________N

- physics help -
**Elena**, Friday, October 19, 2012 at 2:28pm(a) T=mg =12•9.8 =...

(b) F(fr)=T-mgsinα= ...

(c) ma =mg-T

T=m(g-a)

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