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December 19, 2014

December 19, 2014

Posted by **Anonymous** on Saturday, October 26, 2013 at 7:33pm.

Write an expression for the work, Wf, done by the friction force between the ramp and the skateboarder in terms of the variables given in the problem statement.

The ramp makes an angle θ with the ground, where θ = 30 degrees. Write an expression for the magnitude of the friction force, fr, between the ramp and the skateboarder.

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