VL Analysis L Compare the coefficient of friction of wood on wood with the coefficient of friction of wood on glass. Which coefficient of friction is higher? 2 Does the mass of the block affect the coefficient of friction? Explain your answer. 3. Explain the meaning of the term "higher coefficient of friction." Conclusion

VL Analysis L Compare the coefficient of friction of wood on wood with the coefficient of friction of wood on glass. Which coefficient of friction is higher? 2 Does the mass of the block affect the coefficient of friction? Explain your answer. 3. Explain the meaning of the term "higher coefficient of friction." Conclusion

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section5.3: Forces In Two Dimensions

Problem 46SSC

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1. What is the magnitude of the frictional force between the block and the incline at the instant shown? 2. What is the limiting frictional force between the block and the incline?
1 and 2 please1. Calculate the coefficient of kinetic friction between each box and the surface 2. Calculate the magnitude of the tension in the spring.
1) From the data above: a) Does the friction depend on the area of contact? b) Does the nature of the surface in contact affect the force of friction? Explain. c) Does the angle of inclination affect the friction force? What does the tangent angle indicates? 2) Based on the graph, how is the normal force related to the frictional force? 3) Give some ways, how friction is an advantage and a disadvantage. 4) How can frictional force be increased? Decreased? 5) Show that the coefficient of static friction is equal to the slope of the incline plane.
1. Does the mass matter when determining the coefficient of static friction in Part I? Explain.2. Which coefficient of friction (static or kinetic) is larger? Why?
1. Make a sketch of how you think the acceleration vs. mass graph will look for carts with different masses released from rest from the top of an inclined track. 2. Do you think the acceleration of the cart increases, decreases, or stays the same as the mass of the cart increases? Explain your reasoning.
1) Using the result from Pre-Lab Question 2, calculate the coefficient of friction for each angle in Table 1 and Table 2. Find the average value for the coefficient of friction for wood and metal on cardboard. 2) Comment on your coefficients of static friction for wood and metal. If they are different, why do you think they are different? If they are the same, why do you think they are the same?
Part A .) what is the coffcient of static friction between the button and the platform? part b.) how far from the axis can the button be placed without slipping if the plate form rotates at a 56.0 rev/ min express answer in appropriate units. ( please go in detail about how to find W in part one it is confusing me and I'm not sure where I went wrong thanks)
he FBD of the block should have looked like this. 1. A contestant in a winter sporting event pushes a block of ice of mass m across a frozen lake as shown in the figure. The coefficient of static friction between the block and ice is μs, and the coefficient of kinetic friction is μk. θ is the angle the force makes with the x-axis. In this part, we are going to set-up Newton's second Law equations for the cases(1) when the ice block just starts moving, and(2) when it is accelerating to the right with an acceleration a. All answers are symbolic. ALL ANSWERS ARE CASE-SENSITIVE. Subpart 1: Newton's Second Law along the y-axis (i) Write Newton's Second Law along the y-axis by adding all forces in the y-direction taking into account their signs (forces pointing upwards are positive and downward are negative) in terms of the normal force N, weight mg, F and θ. In both scenarios, there is no acceleration along the y-direction, therefore, ay=0.…
I need help with number 4. How do you explain what happened and is the opposing force changing?
A 1,500-N crate is being pushed across a level floor at a constant speed by a force F of 370 N at an angle of 20.0° below the horizontal, as shown in figure a below. (a) What is the coefficient of kinetic friction between the crate and the floor? (Enter your answer to at least three decimal places.) (b) If the 370-N force is instead pulling the block at an angle of 20.0° above the horizontal, as shown in figure b, what will be the acceleration of the crate? Assume that the coefficient of friction is the same as that found in part (a).
help on 2 part question asap please. Solve: A) A 8 kg block is dragged up a hill at constant velocity. If the hill is inclined at 25 degrees, what force must be applied? B) A 8 kg block is dragged up a hill at an acceleration of 1.5. If the hill is inclined at 26 degrees what force must be applied?
3. Here is a problem that beautifully illustrates why we want this new approach. Problem: A mass of 3 kg is placed on a 600 that has a coefficient of 0.2. (Since the mass will be moving this is kinetic friction...) What is the resulting acceleration of the mass? The mass will then travel down the incline for 0.5 m until it reaches the bottom of the incline. How fast will the mass be traveling at the bottom of the incline? The mass will then slide across the floor (which is level). How far will it slide before coming to rest?