Read the following statement: "The magnitude of the normal force that a body experiences when in contact with a surface is equal to the magnitude of the normal force that the body exerts on the surface, in the case of an object resting on a horizontal surface (such as the vase shown in the figure), if there is no acceleration on the vertical axis the magnitude of the normal force is equal to the magnitude of the force generated by the weight, but this normal force is not the reaction force of the weight, the fact that they have the same magnitude is something circumstantial ". From the above, it can be stated that: a) It's true, because the force of gravitation between bodies is actually related to weight. b) It is true, but the fact that it is something circumstantial is not true, the magnitude of the normal force is always equal to the magnitude of the weight, regardless of the circumstances. c) It is false, being equal in magnitude, but opposite in direction, it is by definition a reaction force. d) It is false, because it assumes forces not described in a free-body diagram.
Read the following statement: "The magnitude of the normal force that a body experiences when in contact with a surface is equal to the magnitude of the normal force that the body exerts on the surface, in the case of an object resting on a horizontal surface (such as the vase shown in the figure), if there is no acceleration on the vertical axis the magnitude of the normal force is equal to the magnitude of the force generated by the weight, but this normal force is not the reaction force of the weight, the fact that they have the same magnitude is something circumstantial ". From the above, it can be stated that: a) It's true, because the force of gravitation between bodies is actually related to weight. b) It is true, but the fact that it is something circumstantial is not true, the magnitude of the normal force is always equal to the magnitude of the weight, regardless of the circumstances. c) It is false, being equal in magnitude, but opposite in direction, it is by definition a reaction force. d) It is false, because it assumes forces not described in a free-body diagram.
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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Normal force is a force exerted on the body by the surface in the perpendicular direction of the surface.
Normal force is not the reaction force as the force acting on the body is gravitational force due to earth so the reaction force is on the earth due to the weight of the object.
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