The Five Laws of Friction workst XA Jennifer Petit-Frere - The Five La XNew TabA docs.google.com/document/d/14GHE-7ILQZ5İCG20L0WAN_HBI60133CM_DP2L19_KY/editJennifer Petit-Frere The Five Laws of Friction worksheet- 3/17/21File Edit View Insert Format Tools Add-ons HelpLast edit was 5 days ago100%Heading 1ArialI U14A川, 三|三▼三112.3.6.5. Which of these statements is NOT true about the friction force?A. Friction force depends on the area of the surfaces that are in contact with each other.B. Friction force depends on the type of surfaces in contact.C. Friction force depends on the normal force between the two surfaces.DADTD

Frictional force is a resistant force when a body slides on the other surface.

5. Which of these statements is NOT true about the friction force? A. Friction force depends on the area of the surfaces that are in contact with each other. B. Friction force depends on the type of surfaces in contact. C. Friction force depends on the normal force between the two surfaces.

5. Which of these statements is NOT true about the friction force? A. Friction force depends on the area of the surfaces that are in contact with each other. B. Friction force depends on the type of surfaces in contact. C. Friction force depends on the normal force between the two surfaces.

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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1. Steve pushes a box across a level floor with a constant horizontal force. This causes the box to move at a constant speed, v. The force from Steve: a. has the same magnitude as the weight of the box. b. equals the sum of the box's weight and the total frictional forces opposing the box's motion. c. has the same magnitude as the frictional forces opposing the box's motion. d. has greater magnitude than the frictional forces opposing the box's motion. e. has greater magnitude than the weight of the box. 2. Steve now doubles the force he applies to th box from the previous problem. Which of the following is true? a. The box will move at double the previous speed. b. The box will move with a continuously increasing speed. c. The box will increase speed for a while, then move at a constant speed. d. The box will continue to move at the same speed for a while, then continually increase speed. e. The box will move at a greater constant speed, but not necessarily double the speed.
13. An object sits at rest on a ramp. As the angle of inclination of the ramp increases, the object suddenly begins to slide. Which of the following explanations best accounts for the object's movement? a. The coefficient of static friction has decreased sufficiently. b. The force of gravity acting on the object has increased sufficiently. c. The component of gravity along the ramp has increased sufficiently. d. The friction has decreased sufficiently while the normal force has remained unchanged. e. The normal force has increased sufficiently.
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