(b) Static friction Early next semester, you decide to go for a sled ride with your Physics lab partner, who volunteers to pull you along. The combined mass of you and the toboggan is 90 kg. The coefficient of static friction between the sled and the (horizontal) ground is 0.4. To make the sled start to move, your lab partner pulls on a rope attached to the front of the sled. Draw a diagram showing all of the forces acting on the sled (use extra paper if necessary). T F₂ N-normal force N pp. W=mg T-bension W-weight of sled and person Fs-static friction (i) Calculate the tension in the rope if the rope makes an angle above the horizontal, 0 = 20°. (ii) Calculate the tension in the rope if the rope makes an angle above the horizontal, 0 = 40°. (iii) Calculate the tension in the rope if the rope makes an angle above the horizontal, 0 = 60°. (iv) From your answers to parts (i), (ii) and (iii), can you say anything about the range of 0 within which the tension in the rope is minimized?
(b) Static friction Early next semester, you decide to go for a sled ride with your Physics lab partner, who volunteers to pull you along. The combined mass of you and the toboggan is 90 kg. The coefficient of static friction between the sled and the (horizontal) ground is 0.4. To make the sled start to move, your lab partner pulls on a rope attached to the front of the sled. Draw a diagram showing all of the forces acting on the sled (use extra paper if necessary). T F₂ N-normal force N pp. W=mg T-bension W-weight of sled and person Fs-static friction (i) Calculate the tension in the rope if the rope makes an angle above the horizontal, 0 = 20°. (ii) Calculate the tension in the rope if the rope makes an angle above the horizontal, 0 = 40°. (iii) Calculate the tension in the rope if the rope makes an angle above the horizontal, 0 = 60°. (iv) From your answers to parts (i), (ii) and (iii), can you say anything about the range of 0 within which the tension in the rope is minimized?
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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