20° 2) Last summer my lawn tractor broke its transmission drive belt, and I had to push it back to my garage. Assume I pushed the tractor at an angle of 20° to the horizontal and that the tractor weighs 2100 N. Also assume I push it across level ground and that the coefficient of static friction (u,) is equal to 0.8. a. Draw the forces acting on the tractor. b. How much force will I need to apply to the tractor to just start it moving?

20° 2) Last summer my lawn tractor broke its transmission drive belt, and I had to push it back to my garage. Assume I pushed the tractor at an angle of 20° to the horizontal and that the tractor weighs 2100 N. Also assume I push it across level ground and that the coefficient of static friction (u,) is equal to 0.8. a. Draw the forces acting on the tractor. b. How much force will I need to apply to the tractor to just start it moving?

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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2. A block of mass 3.00 kg is pushed up against a wall by a force P that makes a 50.0° angle with the horizontal as shown in the figure. The coefficient of static friction between the block and the wall is 0.250. Determine the possible values for the magnitude of P that allow the block to remain stationary 50.0° P
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18. A child sits on a sled at the top of a hill, the hill makes an angle of 20° with the horizontal. The child's mass is 40kg. Use us = .1 and 4.03 a. b. Draw a free body diagram for this system. Does the child accelerate down the hill? *i.e., check that the coefficient of static friction is vercome by the component of the childs weight in the direction the child would accelerate. If they do, what is their acceleration? *use coefficient of kinetic friction in sum of the forces balance if the child moves.
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