The figure below shows an object with mass m = 5.7 kg pulled up a ramp inclined at an angle of = 280 m (a) If there is no friction between the object and the ramp, what is the magnitude of the object's acceleration (in m/s²)? 2.88 X Draw a free-body diagram. What forces act on the object? Let the x-axis be parallel to the incline. What is the direction of the force F? What is its x-component? What is the direction of the gravitational force? What is its x-component? Can you use Newton's second law and the x-components of the forces to find the acceleration? m/s² (b) If instead the coefficient of kinetic friction between the object and the ramp is 0.12, what is the magnitude of the object's acceleration (in m/s²)? X 2.86 What is the direction of the frictional force? What is the direction of the normal force? How does the frictional force depend on the normal force? Let the x-axis be parallel to the incline and the y-axis rise from the incline at a right angle. By Newton's second law, if there is no acceleration in the y-direction (perpendicular to the ramp), what must be the f the normal force? Use Newton's second law and the x-components of the forces to find the acceleration. m/s²

The figure below shows an object with mass m = 5.7 kg pulled up a ramp inclined at an angle of = 280 m (a) If there is no friction between the object and the ramp, what is the magnitude of the object's acceleration (in m/s²)? 2.88 X Draw a free-body diagram. What forces act on the object? Let the x-axis be parallel to the incline. What is the direction of the force F? What is its x-component? What is the direction of the gravitational force? What is its x-component? Can you use Newton's second law and the x-components of the forces to find the acceleration? m/s² (b) If instead the coefficient of kinetic friction between the object and the ramp is 0.12, what is the magnitude of the object's acceleration (in m/s²)? X 2.86 What is the direction of the frictional force? What is the direction of the normal force? How does the frictional force depend on the normal force? Let the x-axis be parallel to the incline and the y-axis rise from the incline at a right angle. By Newton's second law, if there is no acceleration in the y-direction (perpendicular to the ramp), what must be the f the normal force? Use Newton's second law and the x-components of the forces to find the acceleration. m/s²

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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