4. A loaded penguin sled weighing 80 N rests on a plane inclined at Between the sled and the plane, the coefficient of static friction is 0.25. = 20° to the horizontal. (a) A force F is applied, parallel to the plane, with a minimal magnitude that just prevents the sled from slipping down the plane. In what direction does the static friction force act? (b) What is the minimum magnitude of ♬ that will prevent the sled from slipping down the plane?
4. A loaded penguin sled weighing 80 N rests on a plane inclined at Between the sled and the plane, the coefficient of static friction is 0.25. = 20° to the horizontal. (a) A force F is applied, parallel to the plane, with a minimal magnitude that just prevents the sled from slipping down the plane. In what direction does the static friction force act? (b) What is the minimum magnitude of ♬ that will prevent the sled from slipping down the plane?
College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please include explanations and work. Please write it out (do not type it out) so its easy to understand.
**Diagram Explanation:**
The diagram depicts a penguin sled on an inclined plane. The plane is inclined at an angle \( \theta \) to the horizontal. A force \( \vec{F} \) is shown acting along the plane to counteract gravitational pull and frictional forces.
**Problem Statement:**
(a) A force \( \vec{F} \) is applied, parallel to the plane, with a minimal magnitude that just prevents the sled from slipping down the plane. In what direction does the static friction force act?
(b) What is the minimum magnitude of \( \vec{F} \) that will prevent the sled from slipping down the plane?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fde1b0e21-d3cd-43dc-b415-66f9ec437a02%2F0d68f8b3-8318-4e62-b563-87484cd54684%2Ff4ovmsm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. A loaded penguin sled weighing 80 N rests on a plane inclined at \( \theta = 20^\circ \) to the horizontal. Between the sled and the plane, the coefficient of static friction is 0.25.
**Diagram Explanation:**
The diagram depicts a penguin sled on an inclined plane. The plane is inclined at an angle \( \theta \) to the horizontal. A force \( \vec{F} \) is shown acting along the plane to counteract gravitational pull and frictional forces.
**Problem Statement:**
(a) A force \( \vec{F} \) is applied, parallel to the plane, with a minimal magnitude that just prevents the sled from slipping down the plane. In what direction does the static friction force act?
(b) What is the minimum magnitude of \( \vec{F} \) that will prevent the sled from slipping down the plane?
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