- #1
Help with Work and Energy - File Attached
- Thread starter men10024
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- Energy File Work Work and energy
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Homework Help Overview
The discussion revolves around a problem related to work and energy, specifically involving kinetic energy, gravitational potential energy, and spring potential energy. The original poster has attached a file for reference but has not provided detailed information about the problem itself.
Discussion Character
- Exploratory, Assumption checking
Approaches and Questions Raised
- Participants discuss the relevance of different types of energy in the problem and question whether frictional forces are considered. There is an exploration of how energy transitions between forms, particularly focusing on the conversion of gravitational potential energy to kinetic and spring potential energy.
Discussion Status
The discussion is ongoing, with participants seeking clarification on the role of kinetic energy and the conditions of the problem. Some guidance has been offered regarding the evaluation of energy at different states, but no consensus has been reached on the specifics of the energy transformations involved.
Contextual Notes
There is uncertainty regarding the presence of frictional forces and the initial conditions of the system, which may affect the energy calculations. The original poster has not yet provided an update on their progress or additional details from the attached file.
- #2
dacruick
- 1,038
- 1
I need some help to help you. Would you mind posting some of the ideas that come to your mind in how to solve this. There are three types of energy in this problem: kinetic, gravitation potential, and spring potential. Which do you think are relevant? Where are the possible places that the energy can be?
- #3
men10024
- 2
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I meaning kinetic energy and spring potential
The cube is to striking down the spring
The cube is to striking down the spring
- #4
Serac
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Has the question specified that there is no frictional force or drag forces? That is, is all gravitational potential energy being converted to kinetic and all kinetic being converted to spring potential?
- #5
dacruick
- 1,038
- 1
yes I believe that is what he means. What I meant to say is that do you see a role for kinetic energy in this question?Serac said:
Initially, it is evaluated when the block is at rest. It then asks to find the maximum compression; when the block is also at rest.
- #6
Serac
- 8
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dacruick said:
No, I don't see a role for Kinetic energy, I was just going through the steps.
If you mean how much force it would be if it was just placed onto the spring, at that angle, then it would be weight of the object, in the horizontal direction. So, you would have to resolve the forces, then solve as a usual spring compression: F=kx.
If we are talking about letting it lose, then calculating it, it would be the change in gravitational potential is equal to the elastic potential energy acting on the spring, as it is all converted.
- #7
- 12,179
- 186
Moderator's note: let's let the OP post with an update on his/her progress before offering further help or hints.