QUESTION 5 The static and kinetic friction coefficients of a surface always have

Question

QUESTION 5 The static and kinetic friction coefficients of a surface always have the same value. () True False QUESTION 6 In general, frictional forces will always oppose motion. O True O False QUESTION 7 Please follow the instruction in the capstone file below and analyze the data in it. What is the average kinetic friction force (in unit of N)? pre-quiz 2.cap QUESTION 8 In this experiment, we will be using a force sensor. The force sensor hook mount should be completely tightened before taking measurements. True O False

Explanation / Answer

5.

False

Static and kinetic friction coefficients can not always be equal because static friction is acted in static condition while kinetic friction is acted in moving condition.

6.

True

Friction is always acts to oppose any relative motion between the surfaces. Hence friction force opposes the motion

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