solve Work out the problem. You must show all your work to receive all your poin

Question

solve

Work out the problem. You must show all your work to receive all your points and answer only cannot get points. It will regard as cheating. Put your answer in the rectangular box. Do not attach any papers. Put your all Procedure in this exam paper. Just remind that unnecessary information in this exam will deducted the points which are not related to the questions. You must return this sheet. THIS SHEET MUST RETURNED. All the answer must have at least 4 significant digits and unit. During the lab experiment of friction, a student obtained following data table. Kinetic Coefficient flat plane (Mass of block is 180g) A student draws the graph uniform force vs. normal force which is the following feature. Find the slope. Find the kinetic frictional coefficient.

Explanation / Answer

Since last 2 data points lies on the line,

slope = (220-58)/((500+180)-180) = 0.324

Now, kinetic frictional coefficient, u = slope of the graph

Because, Frictional Force = uMbg = Uniform Force by mss on hanger = Mhg

Thus, u = Mh/Mb = slope of graph = 0.324

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