How to Find Tension in a String on an Inclined Plane: Physics Homework Help

  • Thread starter Thread starter fronomo
  • Start date Start date
  • Tags Tags
    String Tension
Click For Summary
SUMMARY

The discussion focuses on calculating the tension in a string connected to a 6.0 kg box on a frictionless 44-degree incline and a 1.5 kg hanging weight. When the box is held stationary, the tension can be determined using the equation T = m * a, where 'm' is the mass of the hanging weight and 'a' is the acceleration due to gravity. Once the box begins to move, the tension changes and requires a reevaluation of the forces acting on both masses. A free body diagram is essential for visualizing the forces involved in both scenarios.

PREREQUISITES
  • Understanding of Newton's laws of motion
  • Familiarity with free body diagrams
  • Knowledge of basic trigonometry for resolving forces on an incline
  • Concept of tension in strings and pulleys
NEXT STEPS
  • Study the derivation of tension in systems involving pulleys and inclined planes
  • Learn how to construct and analyze free body diagrams for multiple masses
  • Explore the effects of friction on tension in similar systems
  • Investigate the role of acceleration in tension calculations
USEFUL FOR

Students studying physics, particularly those focusing on mechanics, as well as educators looking for examples of tension in pulley systems and inclined planes.

fronomo
Messages
2
Reaction score
0

Homework Statement


A 6.0 box is on a frictionless 44 slope and is connected via a massless string over a massless, frictionless pulley to a hanging 1.5 weight.

1.What is the tension in the string if the 6.0 box is held in place, so that it cannot move?

2.What is the tension in the string once the box begins to move?


Homework Equations


T=m*a


The Attempt at a Solution


I did a free body diagram for the two masses but I missed a day of class and I'm trying to figure out exactly how to set this up to solve it. Any help is appreciated. Thanks

-Chris
 
Physics news on Phys.org
Hi fronomo,

fronomo said:

Homework Statement


A 6.0 box is on a frictionless 44 slope and is connected via a massless string over a massless, frictionless pulley to a hanging 1.5 weight.

1.What is the tension in the string if the 6.0 box is held in place, so that it cannot move?

2.What is the tension in the string once the box begins to move?


Homework Equations


T=m*a


The Attempt at a Solution


I did a free body diagram for the two masses but I missed a day of class and I'm trying to figure out exactly how to set this up to solve it.

What do you free body diagrams look like? For example, what about the force diagram for the 1.5 (kg?) hanging box look like for the first case? What equation can you get from it?
 

Similar threads

Replies
8
Views
2K
  • · Replies 7 ·
Replies
7
Views
4K
  • · Replies 4 ·
Replies
4
Views
4K
  • · Replies 19 ·
Replies
19
Views
5K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 2 ·
Replies
2
Views
4K
  • · Replies 22 ·
Replies
22
Views
3K
  • · Replies 4 ·
Replies
4
Views
4K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K