2. A chain consists of identical links, each with a mass of 2.5 kg. You grab the top link and hold the chain at rest so that it hangs vertically. a) Draw a free body diagram of the bottom three links (labeled 1, 2, 3). Label all forces and use double subscript notation to denote which object exerts the force and which object is experiencing the force. b) Find the magnitude of the force exerted on link 1 by link 2, in Newtons. c) Find the magnitude of the force exerted on link 2 by link 3, in Newtons. 3 2 1

2. A chain consists of identical links, each with a mass of 2.5 kg. You grab the top link and hold the chain at rest so that it hangs vertically. a) Draw a free body diagram of the bottom three links (labeled 1, 2, 3). Label all forces and use double subscript notation to denote which object exerts the force and which object is experiencing the force. b) Find the magnitude of the force exerted on link 1 by link 2, in Newtons. c) Find the magnitude of the force exerted on link 2 by link 3, in Newtons. 3 2 1

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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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

2. A chain consists of identical links, each with a mass of 2.5 kg. You grab the top link and hold
the chain at rest so that it hangs vertically.
a) Draw a free body diagram of the bottom three links (labeled 1, 2, 3).
Label all forces and use double subscript notation to denote which object
exerts the force and which object is experiencing the force.
b) Find the magnitude of the force exerted on link 1 by link 2, in
7
Newtons.
6
5
c) Find the magnitude of the force exerted on link 2 by link 3, in
Newtons.
4
3
2
1

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A block with a mass of m = 48 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 10.5 N. The second has a magnitude of F2 = 21.5 N and acts on the body at an angle θ = 12° measured from horizontal, as shown. 1) Draw the correct free body diagram 2)Write an expression for the component of net force, Fnet,x, in the x-direction, in terms of the variables given in the problem statement. 3)Write an expression for the magnitude of the normal force, FN, acting on the block, in terms of F2, g, and the other variables of the problem. Assume that the surface it rests on is rigid. 4)
Could someone explain for me? Thank you in advance!
2. A chain consists of identical links, each with a mass of 2.5 kg. You grab the top link and hold the chain at rest so that it hangs vertically. a) Draw a free body diagram of the bottom three links (labeled 1, 2, 3). Label all forces and use double subscript notation to denote which object exerts the force and which object is experiencing the force. b) Find the magnitude of the force exerted on link 1 by link 2, in Newtons. c) Find the magnitude of the force exerted on link 2 by link 3, in Newtons.
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