A large crate with mass m rests on a horizontal floor. The static and kinetic coefficients of friction between the crate and the floor are , and . respectively. A woman pushes downward on the crate at an angle below the horizontal with a force F You may want to review (Page). For help with math skills, you may want to review: Vector Components Limits Involving Infinity For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Minimizing kinetic friction ▼ Part A What is the magnitude of the force vector Frequired to keep the crate moving at constant velocity? Express your answer in terms of m. g. 8, and . ▸ View Available Hint(s) F= Submit H&mg cosesine Part B ✓ Correct Previous Answers Hg == If 4 is greater than some critical value, the woman cannot start the crate moving no matter how hard she pushes. Calculate this critical value of Express your answer in terms of 0. View Available Hint(s) [ΕΙ ΑΣΦ ? F cos 0 (mg+F sin ) The correct answer does not depend on: F. mg. No credit lost. Try again.

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