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Posted by on Thursday, October 21, 2010 at 10:02pm.

A person pushes horizontally with a force of 270 N on a 55 kg crate to move it across a level floor. The coefficient of kinetic friction is 0.25.
What is the magnitude of the frictional force? What is the magnitude of the crate's acceleration?

  • Physics - , Thursday, October 21, 2010 at 10:20pm

    frictionforce=mu*mg=.25*55*9.8 N

    net force= ma
    270-frictionalforce= mass*a
    solve for a

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