Consider two blocks connected as shown in (Figure 1). Block A has mass 2.00 kg, and block B has mass 5.00 kg. The table on which B sits is frictionless, the cord connecting the blocks is light and flexible, and the pulley is light and frictionless. The horizontal force F has magnitude F = 18.0 N, and block B moves to the left with an acceleration of 1.90 m/s² .

Consider two blocks connected as shown in (Figure 1). Block A has mass 2.00 kg, and block B has mass 5.00 kg. The table on which B sits is frictionless, the cord connecting the blocks is light and flexible, and the pulley is light and frictionless. The horizontal force F has magnitude F = 18.0 N, and block B moves to the left with an acceleration of 1.90 m/s² .

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...

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Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

Question

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What is the tension in the cord that connects the two blocks?

What is the coefficient of kinetic friction that one block exerts on the other?

Consider two blocks connected as shown in (Figure 1). Block A has
mass 2.00 kg, and block B has mass 5.00 kg. The table on which B
sits is frictionless, the cord connecting the blocks is light and flexible,
and the pulley is light and frictionless. The horizontal force F has
magnitude F = 18.0 N, and block B moves to the left with an
acceleration of 1.90 m/s² .
Figure
1 of 1
A
F
B

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