Understanding Newton's Laws of Motion: Solving a Tricky Equation with Blocks

Click For Summary
SUMMARY

The discussion centers on the equation x2 + l = x1 + (l/16), which describes the motion of two blocks in a physics problem. It is established that x1 and x2 represent the distances moved by block 1 and block 2, respectively. The key insight is that for block 1 to overtake block 2, the difference in their movements must equal (15/16)l. This equation is crucial for understanding the dynamics of the blocks as they interact.

PREREQUISITES
  • Understanding of Newton's Laws of Motion
  • Familiarity with basic kinematics concepts
  • Knowledge of algebraic manipulation of equations
  • Ability to interpret physical scenarios mathematically
NEXT STEPS
  • Study the application of Newton's Laws in multi-body systems
  • Learn about kinematic equations and their derivations
  • Explore the concept of relative motion in physics
  • Investigate the implications of friction and forces on block movement
USEFUL FOR

Students of physics, educators teaching mechanics, and anyone interested in solving complex motion problems involving multiple objects.

azizlwl
Messages
1,066
Reaction score
10
At the instant that one-fourth of block 1 remains on block 2, x2+l=x1+(l/16).

For days trying to figure out how this equation derived from.
Thank You.

http://img15.imageshack.us/img15/3926/kotak.jpg
 
Last edited by a moderator:
Physics news on Phys.org
azizlwl said:
At the instant that one-fourth of block 1 remains on block 2, x2+l = x1+(l/16).

hi azizlwl! :smile:

(i don't understand why they've put lengths on both sides of the equation, but …)

x1 and x2 are the distances blocks 1 and 2 have moved

since block 1 has to overtake block 2 by (15/16)l, that means x1 - x2 = (15/16)l :wink:
 

Similar threads

  • · Replies 66 ·
3
Replies
66
Views
9K
Replies
13
Views
3K
  • · Replies 21 ·
Replies
21
Views
11K
  • · Replies 19 ·
Replies
19
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 25 ·
Replies
25
Views
3K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 21 ·
Replies
21
Views
11K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 6 ·
Replies
6
Views
2K