What is the normal force between two stacked boxes?

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Homework Help Overview

The discussion revolves around determining the normal force between two stacked boxes, specifically a 10.0-kg box on top of a 19.0-kg box. Participants are exploring the dynamics of forces acting on the boxes in this context.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss the implications of the normal force exceeding the weight of the top box, questioning the resulting motion. There are inquiries about the relationship between the normal forces acting on both boxes and the application of free body diagrams to analyze the situation.

Discussion Status

The conversation is ongoing, with participants sharing insights about the forces involved and suggesting methods for analysis, such as using free body diagrams. There is no explicit consensus on the normal force value, but some participants are attempting to calculate it.

Contextual Notes

Participants are grappling with the setup of the problem and the assumptions regarding the forces acting on the boxes, including gravitational force and normal force interactions.

tristanmagnum
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A 10.0-kg box is placed on top of the 19.0-kg box, as shown in the figure. Determine the normal force that the 19.0-kg box exerts on the 10.0-kg box.

i know what the normal force of the 19 kg box. i am having problem setting these kind of problems.
 
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What happens to the 10 kg box if the normal force is greater than 10 kg * 9.81 m/s^2 ?

What is the normal force on the 19 kg box with the 10 kg box sitting on top?
 
it would me greater then the mg right so the Fnet wouldn't be zero?

Would it the normal force of the two boxes or together?
 
If the normal force is greater than the weight of the box, the box will want to travel upward, F = ma and all that.

These types of problems are best analyzed by drawing free body diagrams of the boxes and applying the known forces to them. Once that is accomplished, the equations of equilibrium can be written and solved.
 
SteamKing said:
If the normal force is greater than the weight of the box, the box will want to travel upward, F = ma and all that.

These types of problems are best analyzed by drawing free body diagrams of the boxes and applying the known forces to them. Once that is accomplished, the equations of equilibrium can be written and solved.

so mg would be downward on both of the boxes and the normal force would be upward for both right?
 
so would the normal force being exerted be 98.0N?
 
tristanmagnum said:
so would the normal force being exerted be 98.0N?

Yes.
 
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