Newton's laws multiple objects contact forces

Click For Summary

Homework Help Overview

The problem involves three crates with specified masses and an applied horizontal force, focusing on the contact forces between the crates. The context is rooted in Newton's laws and frictional forces.

Discussion Character

  • Conceptual clarification, Problem interpretation

Approaches and Questions Raised

  • Participants discuss the acceleration of the blocks, questioning whether it is uniform across all crates. There are mentions of drawing free body diagrams and applying Newton's laws to analyze the forces involved.

Discussion Status

The discussion is exploring the relationship between the acceleration of the blocks and the forces acting on them. Some participants have confirmed that the acceleration is the same for all blocks, while others are seeking further clarification on this point.

Contextual Notes

There is an absence of specific equations provided by the original poster, which may influence the depth of the discussion. The problem setup includes a coefficient of friction and an applied force, but further details on the system's constraints are not mentioned.

tigerwoods99
Messages
99
Reaction score
0

Homework Statement



Three crates are arranged. Their masses are m1=29.8, m2= 15.3, m3= 27.3. The applied force of 910 N is directed horizontally and the coefficient of friction is u= .277

WHAT IS THE MAGNITUDE OF THE CONTACT FORCE BETWEEN M1 and M2?
WHAT IS THE MAGNITUDE OF THE CONTACT FORCE BETWEEN M2 and M3

Homework Equations



?

The Attempt at a Solution



acceleration of the three masses = 9.85
 
Physics news on Phys.org
Your answer for the acceleration of all 3 blocks looks correct. What's the acceleration of each block? Answer that question and then draw free body diagrams of the blocks and use Newton's laws for each block.
 
isn't the acceleration the same?
 
tigerwoods99 said:
isn't the acceleration the same?
yes, they are.
 

Similar threads

  • · Replies 17 ·
Replies
17
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 5 ·
Replies
5
Views
8K
  • · Replies 14 ·
Replies
14
Views
3K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 1 ·
Replies
1
Views
5K
  • · Replies 6 ·
Replies
6
Views
5K
  • · Replies 3 ·
Replies
3
Views
1K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 2 ·
Replies
2
Views
1K