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Below is a link to a problem that combines everything we have learned so far. Your assessment is to answer the problem giving step by step instructions both verbally and visually on a "Showme" application. Your video can be as long as needed but must include a free body diagram, all equations used, and all work getting you to your answer.

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Post your name and blog below and comment on two of your classmates blogs:

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Answer the following questions on your online blog then post them under students links.
Explain the procedure used and how you used it to calculate the coefficient of friction for the two surfaces. How did you know what equation/approach to use to calculate it?
Include pictures and equations in your letter showing the forces on the block and how you arrived at your coefficient   Explain your results. Did one surface have a greater coefficient than the other? Is this what you would have expected? Where can we observe the effects of friction in our everyday lives? What factors affect the friction of a surface?

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https://docs.google.com/forms/d/e/1FAIpQLSdzcXIMAv5GlQ9JPd4YiFBF_nXmb_xbZBhX8vuX-84guEbL-Q/viewform?usp=sf_link

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An Example Problem Concerning Coefficient Kinetic Friction

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Solving problem number 22 in the People's Physics Book, from the chapter on Newton's Laws. http://scipp.ucsc.edu/outreach/index2.html By James Dann for CK12.org CC BY SA

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Net Force
1) What happened when there was more force pulling on one side than the other?
Acceleration
1) What happened to the speed and acceleration of the box when the applied force was less than, equal to, and greater than the frictional force?

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Net Force:
Turn on the sum of forces and values then add equal and unequal forces to each side and note what happens
Acceleration:
Turn on the Speed, Acceleration, Masses, and sum of force values on the right. Try adjusting the applied force so it is less than, equal to, and greater than the frictional force

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�Frictional Force (FF)- Force created by two surfaces in contact with one another; force always parallel to the plane

�Applied Force (FA)- Force applied to an object by a person or another object

�Gravitational Force (FG)- force all objects experience; pull toward center of earth. Force will always be straight down

�Normal Force (FN)- Support force of an object. Force will be perpendicular to the plane

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Gravity force
Chair force
sitting force
pushing force
frictional force
spinning force
Body force
force holding us up