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A 14-g coin slides upward on a surface that is inclined at
Chapter 6, Problem 77GP(choose chapter or problem)
Problem 77GP
A 14-g coin slides upward on a surface that is inclined at an angle of 18° above the horizontal. The coefficient of kinetic friction between the coin and the surface is 0.23; the coefficient of static friction is 0.35. Find the magnitude and direction of the force of friction (a) when the coin is sliding and (b) after it comes to rest.
Questions & Answers
QUESTION:
Problem 77GP
A 14-g coin slides upward on a surface that is inclined at an angle of 18° above the horizontal. The coefficient of kinetic friction between the coin and the surface is 0.23; the coefficient of static friction is 0.35. Find the magnitude and direction of the force of friction (a) when the coin is sliding and (b) after it comes to rest.
ANSWER:
Solution 77GP
Step 1 of 3
We are required to calculate the magnitude and direction of the friction forces under the given conditions.