A 4.00 kg block is pushed along the ceiling

[chenny]

with a constant applied force of 85.0 N that acts at an angle of 55.0° with the horizontal. the block accelerates to the right at 6.00 m/s². determine the coefficient of kinetic frction between the block and the ceiling.

 

[moose]

Could you please show us your work, or at least thoughts on how to begin this problem? Try to draw yourself a picture and look at the forces involved. In what direction does the kinetic friction force act?etcetc

 

[chenny]

i sort of drew a diagram of the forces, but still didn't really get it.

 

[moose]

Did you break down the force?