4.33 • Two adults and a child Figure P4.33want to push a wheeled cart inthe direction marked x inFig. P4.33. The two adults pushwith horizontal forces F and Fas shown. (a) Find the magni-F = 100 N60°tude and direction of the small-est force that the child should30°exert. Ignore the effects of fric-tion. (b) If the child exerts theminimum force found in part (a),the cart accelerates at 2.0 m/s² inthe +x-direction. What is the weight of the cart?F2 = 140 N

The free body diagram: The cart moves in x-direction so the child could apply the smallest force…

4.33 • Two adults and a child Figure P4.33 want to push a wheeled cart in the direction marked x in Fig. P4.33. The two adults push with horizontal forces F¡ and F2 as shown. (a) Find the magni- tude and direction of the small- 100 N 60° est force that the child should 30° exert. Ignore the effects of fric- tion. (b) If the child exerts the minimum force found in part (a), the cart accelerates at 2.0 m/s² in the +x-direction. What is the weight of the cart? F = = 140 N

4.33 • Two adults and a child Figure P4.33 want to push a wheeled cart in the direction marked x in Fig. P4.33. The two adults push with horizontal forces F¡ and F2 as shown. (a) Find the magni- tude and direction of the small- 100 N 60° est force that the child should 30° exert. Ignore the effects of fric- tion. (b) If the child exerts the minimum force found in part (a), the cart accelerates at 2.0 m/s² in the +x-direction. What is the weight of the cart? F = = 140 N

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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