Question

The three diagrams below show a block of mass m being pulled or pushed at constant...

The three diagrams below show a block of mass m being pulled or pushed at constant acceleration along a table with a force F. The coefficient of kinetic friction is μk. What is the magnitude of the friction force in each case? Give your answer in terms of the pushing force F, m, μk, and the angle θ.

case (i)     fk =   
case (ii)     fk =
case (iii)     fk =
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Answer #1

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#Hi, dear!! You have not provided the figure, I remembered , I did the same Question Once. ...

please take care next time and provide the neat and clean image WIth complete information.  

...if you have any query regarding the solution please let me know in the comments section below. We can discuss. ..

if you are happy and find this useful please thumbs up. Thanks!!

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