PRACTICE ITUse the worked example above to help you solve this problem. Suppose a block with mass 2.00 kg isresting on a ramp. If the coefficient of static friction between the block and the ramp is 0.320, whatmaximum angle can the ramp make with the horizontal before the block starts to slip down?17.7EXERCISEHINTS: GETTING STARTED I I'M STUCK!Use the values from PRACTICE IT to help you work this exercise. The ramp in the figure is roughed up andthe experiment repeated.(a).What.is.the.new coefficient of static friction if the maximum angle turns out to be 29.6°?Enter a number.(b) Find the magnitude of the maximum static friction force that acts on the block.N GOAL Apply the concept of static friction to an object resting on anincline.PROBLEM Suppose a block with a mass of 2.50 kg is resting on aramp. If the coefficient of static friction between the block and ramp isng sin e0.350, what maximum angle can the ramp make with the horizontalmg cos e ebefore the block starts to slip down?STRATEGY This is an application of Newton's second law involvingan object in equilibrium. Choose tilted coordinates, as in the figure. Use the fact that the block is justabout to slip when the force of static friction takes its maximum value, f. = 4n.SOLUTIONWrite Newton's laws for a static system(1) EF = mg sin e - u̟n = 0in component form. The gravity force(2) EF = n - mg cos e = 0has two components.Rearrange Equation (2) to get ann = mg cos 8expression for the normal force n.Substitute the expression for n intoEF, = mg sin 8 - H mgcos 0 = 0 → tan 8 =u.Equation (1) and solve for tan 0.Apply the inverse tangent function toget the answer.tan e = 0.350 → 0 = tan (0.350) = 19.3°LEARN MOREREMARKS It's interesting that the final result depends only on the coefficient of static friction. Noticealso how similar Equations (1) and (2) are to the equations developed in previous problems. Recognizingsuch patterns is key to solving problems successfully.QUESTION A larger static friction constant would result in a: (Select all that apply.)larger component of gravitational force along the ramp at the maximum angle.smaller component of gravitational force along the ramp at the maximum angle.larger component of normal force at the maximum angle.smaller maximum angle.O larger maximum angle.

When we toss a ball on the ground, it begins to move with some velocity. However, no force should be…

Use the worked example above to help you solve this problem. Suppose a block with mass 2.00 kg is resting on a ramp. If the coefficient of static friction between the block and the ramp is 0.320, what maximum angle can the ramp make with the horizontal before the block starts to slip down? 17.7 EXERCISE HINTS: GETTING STARTED I I'M STUCK! Use the values from PRACTICE IT to help you work this exercise. The ramp in the figure is roughed up and the experiment repeated. (a).What.is.the.new coefficient of static friction if the maximum angle turns out to be 29.6°? Enter a number. (b) Find the magnitude of the maximum static friction force that acts on the block. N

Use the worked example above to help you solve this problem. Suppose a block with mass 2.00 kg is resting on a ramp. If the coefficient of static friction between the block and the ramp is 0.320, what maximum angle can the ramp make with the horizontal before the block starts to slip down? 17.7 EXERCISE HINTS: GETTING STARTED I I'M STUCK! Use the values from PRACTICE IT to help you work this exercise. The ramp in the figure is roughed up and the experiment repeated. (a).What.is.the.new coefficient of static friction if the maximum angle turns out to be 29.6°? Enter a number. (b) Find the magnitude of the maximum static friction force that acts on the block. N

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Questions: A group of students performed this lab and generated this graph of energy lost vs, distance. The group then repeats the lab, with a material with a smaller coefficient of friction. On the graph above, draw in RED a line that would be generated in this case. Explain your answer. Once again, they return to the original experiment but set the ramp at a smaller angle. On the graph above, draw in GREEN a line that would be generated in this case. Explain your answer. Can you also explain how a Energy Lost vs Distance Traveled graph gets coefficient of friction? Questions: A group of students performed this lab and generated this graph of energy lost vs. distance. 1. J Epargy Lost distance traveled (m) The group then repeats the lab, with a material with a smaller coefficient of friction. On the graph above, draw in RED a line that would be generated in this case. Explain your answer. 2. Once again, they return to the original experiment but the ramp at a smaller angle. On the…