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December 20, 2014

Homework Help: physics

Posted by Declan on Monday, April 18, 2011 at 4:19pm.

A patient of mass 75kg sits in a wheelchair of mass 30kg. What is the force needed to push both up a 30 degree slope? If the carer stops on the 30 degree slope and applies the brake, what is the magnitude and direction of the frictional force preventing the wheelchair from rolling back down?

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