The rough sketch above shows an ox that pulls a cart up a grassy hillock, after the cart wheels got accidentally locked (and now slide on the grass, instead of rolling!). Now, the strong ox is applying 364 N parallel to the direction of motion; the cart keeps moving uphill with a constant velocity. The angle labeled φ measures 17.5◦ from the horizontal direction [dash line]. Later, the ox will take a break on the flat summit of the hillock, around point P. The average coefficients of static friction and kinetic friction for the grassy surface of this hillock are 0.43 and 0.37, respectively. (a) What is the mass of the cart? (b) Will the normal force on the cart at point P be less than, equal to, or greater than the normal force at the shown snapshot on the slope? (c) What would be the cart’s acceleration on the slope if there were two oxen, each individually exerting a pull of 364 N on the cart, along the side of the hillock?
The rough sketch above shows an ox that pulls a cart up a grassy hillock, after the cart wheels got accidentally locked (and now slide on the grass, instead of rolling!). Now, the strong ox is applying 364 N parallel to the direction of motion; the cart keeps moving uphill with a constant velocity. The angle labeled φ measures 17.5◦ from the horizontal direction [dash line]. Later, the ox will take a break on the flat summit of the hillock, around point P. The average coefficients of static friction and kinetic friction for the grassy surface of this hillock are 0.43 and 0.37, respectively. (a) What is the mass of the cart? (b) Will the normal force on the cart at point P be less than, equal to, or greater than the normal force at the shown snapshot on the slope? (c) What would be the cart’s acceleration on the slope if there were two oxen, each individually exerting a pull of 364 N on the cart, along the side of the hillock?
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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The rough sketch above shows an ox that pulls a cart up a grassy hillock, after the cart wheels got
accidentally locked (and now slide on the grass, instead of rolling!). Now, the strong ox is applying 364 N
parallel to the direction of motion; the cart keeps moving uphill with a constant velocity. The angle
labeled φ measures 17.5◦ from the horizontal direction [dash line]. Later, the ox will take a break on
the flat summit of the hillock, around point P. The average coefficients of static friction and kinetic
friction for the grassy surface of this hillock are 0.43 and 0.37, respectively. (a) What is the mass of the
cart? (b) Will the normal force on the cart at point P be less than, equal to, or greater than the normal
force at the shown snapshot on the slope? (c) What would be the cart’s acceleration on the slope if there
were two oxen, each individually exerting a pull of 364 N on the cart, along the side of the hillock?
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