3. In the system below, assume that the cables and pulleys are massless. m m 2m (a) Assume that there is no friction between the top mass and the surface it slides on. Is the system accelerating or is it at rest? To answer this question, consider the net force acting on the top mass. Is this force greater than zero? (b) Calculate the tension in the rope attached to the heavier mass (2m) in the case of no friction between the top mass and the surface. (c) Calculate the tension in the rope attached to the heavier mass in the case where the coefficient of kinetic friction is 0.1.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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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**Problem 3**

In the system below, assume that the cables and pulleys are massless.

[Diagram Description: The diagram shows a horizontal surface with a central block of mass \( m \) on top. Two pulleys are positioned on either side of this block. On the left side, there is a hanging block of mass \( m \). On the right side, there is a hanging block of mass \( 2m \), connected by ropes to the central block, passing over the pulleys.]

**Questions:**

(a) Assume that there is no friction between the top mass and the surface it slides on. Is the system accelerating or is it at rest? To answer this question, consider the net force acting on the top mass. Is this force greater than zero?

(b) Calculate the tension in the rope attached to the heavier mass (\( 2m \)) in the case of no friction between the top mass and the surface.

(c) Calculate the tension in the rope attached to the heavier mass in the case where the coefficient of kinetic friction is \( 0.1 \).
Transcribed Image Text:**Problem 3** In the system below, assume that the cables and pulleys are massless. [Diagram Description: The diagram shows a horizontal surface with a central block of mass \( m \) on top. Two pulleys are positioned on either side of this block. On the left side, there is a hanging block of mass \( m \). On the right side, there is a hanging block of mass \( 2m \), connected by ropes to the central block, passing over the pulleys.] **Questions:** (a) Assume that there is no friction between the top mass and the surface it slides on. Is the system accelerating or is it at rest? To answer this question, consider the net force acting on the top mass. Is this force greater than zero? (b) Calculate the tension in the rope attached to the heavier mass (\( 2m \)) in the case of no friction between the top mass and the surface. (c) Calculate the tension in the rope attached to the heavier mass in the case where the coefficient of kinetic friction is \( 0.1 \).
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