2. A 4.0 kg block is pulled along a horizontal surface with an applied force of F=20 N and 0=30°. The kinetic friction coefficient between the block and the surface is 0.40. Assume the positive direction is to the right. a. Draw a free body diagram of the block including both horizontal and vertical forces. b. Determine the friction force acting on the block. c. Determine the horizontal acceleration of the block. Include the sign. d. If the block starts from rest and the force is applied for 5.0 s determine the velocity of the block.

2. A 4.0 kg block is pulled along a horizontal surface with an applied force of F=20 N and 0=30°. The kinetic friction coefficient between the block and the surface is 0.40. Assume the positive direction is to the right. a. Draw a free body diagram of the block including both horizontal and vertical forces. b. Determine the friction force acting on the block. c. Determine the horizontal acceleration of the block. Include the sign. d. If the block starts from rest and the force is applied for 5.0 s determine the velocity of the block.

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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