Physics:f/sci.+engrs.,ap Ed.
10th Edition
ISBN: 9781337553469
Author: Jewett, SERWAY
Publisher: Cengage
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Textbook Question
Chapter 5, Problem 2P
One or more external forces, large enough to be easily measured, are exerted on each object enclosed in a dashed box shown in Figure 5.1. Identify the reaction to each of these forces.
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Two blocks of masses m and m2 (m1 > m2) are placed on a frictionless table in contact with each other. A horizontal force of magnitude F is applied to the block of mass m, in the figure below.
F
(a) If P is the magnitude of the contact force between the blocks, draw the free-body diagrams for each block. (Do this on paper. Your instructor may ask you to turn in this work.)
(b) What is the net force on the system on the system consisting of both blocks? (Use the following as necessary: P and F.)
Fnet
(c) What is the net force acting on m1? (Use the following as necessary: P and F.)
Fnet,1 =
(d) What is the net force acting on m2? (Use the following as necessary: P and F.)
Fnet,2 =
(e) Write the x-component of Newton's second law for each block. (Do this on paper. Your instructor may ask you to turn in this work.)
(f) Solve the resulting system of two equations and two unknowns, expressing the acceleration a and contact force P in terms of the masses and force. (Use the following as…
Calculate the magnitude of the normal force on a 17.7 kg block in the following circumstances. (Enter your answers in N.)
The block is on a level surface and a force of 165 N is exerted on it at an angle of 40.8° above the horizontal.
I don't know how to do this.
Two blocks, each of mass m = 2.1kg are pushed along the horizontal surface of a table by a horizontal force P of magnitude 7.1 N directed to the right, as shown in the figure below. The blocks move together to the right at constant velocity? Find the frictional force exertered on the lower block by the table ? Find the coefficient of kinetic friction between the surface of the block and the table? Find the frictional force acting on the upper block?
Chapter 5 Solutions
Physics:f/sci.+engrs.,ap Ed.
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