One straightforward way to measure the coefficients of friction between a box and a wooden surface is illustrated in (Figure 1). The sheet of wood can be raised by pivoting it about one edge. It is first raised to an angle θ1 (which is measured) for which the box just begins to slide downward. The sheet is then immediately lowered to an angle θ2 (which is also measured) for which the box slides with constant speed down the sheet. Part A) Apply Newton’s second law to the box to find the coefficient of static friction between it and the wooden sheet. Express your answer in terms of some or all of the variables θ1 and θ2. Part B) Apply Newton’s second law to the box to find the coefficient of kinetic friction between it and the wooden sheet.
One straightforward way to measure the coefficients of friction between a box and a wooden surface is illustrated in (Figure 1). The sheet of wood can be raised by pivoting it about one edge. It is first raised to an angle θ1 (which is measured) for which the box just begins to slide downward. The sheet is then immediately lowered to an angle θ2 (which is also measured) for which the box slides with constant speed down the sheet. Part A) Apply Newton’s second law to the box to find the coefficient of static friction between it and the wooden sheet. Express your answer in terms of some or all of the variables θ1 and θ2. Part B) Apply Newton’s second law to the box to find the coefficient of kinetic friction between it and the wooden sheet.
Chapter2: The Kinetic Theory Of Gases
Section: Chapter Questions
Problem 37P: Five bicyclists are riding at the following speeds: 5.4 m/s, 5.7 m/s, 5.8 m/s, 6.0 m/s, and 6.5 m/s....
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One straightforward way to measure the coefficients of friction between a box and a wooden surface is illustrated in (Figure 1). The sheet of wood can be raised by pivoting it about one edge. It is first raised to an angle θ1 (which is measured) for which the box just begins to slide downward. The sheet is then immediately lowered to an angle θ2 (which is also measured) for which the box slides with constant speed down the sheet.
Part A)
Apply Newton’s second law to the box to find the coefficient of static friction between it and the wooden sheet.
Express your answer in terms of some or all of the variables θ1 and θ2.
Part B)
Apply Newton’s second law to the box to find the coefficient of kinetic friction between it and the wooden sheet.
Express your answer in terms of some or all of the variables θ1 and θ2.
Transcribed Image Text:Figure
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Box
Plywood
sheet
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