What is the Change in Potential Energy of a Displaced Meter Scale?

In summary, the conversation discusses finding the change in potential energy for a meter scale with a mass of m that is initially vertical but is then displaced at a 45 degree angle with the upper end fixed. The formula for change in potential energy is mentioned as mass times acceleration due to gravity times change in height. The change in height is given as (l/2)(1-cos45) and it is suggested to break it down into x and y components and consider the change in height of the center of mass. The speaker expresses understanding of the concept.
  • #1
sylwesh98
42
0
A meter scale of mass m initially vertical is displaced at 45 degrees keeping the upper end fixed.
. find out the change in potential energy.
 
Physics news on Phys.org
  • #2
Found it. What is your attempt at a solution? And what are the relevant equations ?
 
  • #3
change in potential energy=mass*acceleration due to gravity * change in height
I can't get the change in height
here change in height is given as (l/2)(1-cos45)
Can u tell me sir!
 
  • #4
Try making a drawing. Remember that it's the change in height of the centre of mass that matters.
 
  • #5
I want to say, that I think you have to break it down into its x and y components
 
  • #6
sir i got it !
 

Attachments

  • maxresdefault.jpg
    maxresdefault.jpg
    49.3 KB · Views: 351

FAQ: What is the Change in Potential Energy of a Displaced Meter Scale?

What is potential energy?

Potential energy is the energy that an object has due to its position or state. It is stored energy that has the potential to be converted into other forms of energy, such as kinetic energy.

How do you calculate potential energy?

The formula for calculating potential energy is PE = mgh, where PE is potential energy, m is the mass of the object, g is the acceleration due to gravity, and h is the height or distance from the ground.

What are the different types of potential energy?

There are several types of potential energy, including gravitational potential energy (based on an object's position in a gravitational field), elastic potential energy (stored in objects that can be stretched or compressed), and chemical potential energy (stored in the bonds between atoms in a substance).

How can potential energy be changed into other forms of energy?

Potential energy can be converted into other forms of energy through various processes. For example, when an object falls, its potential energy is converted into kinetic energy. Similarly, when a stretched rubber band is released, its elastic potential energy is converted into kinetic energy.

Why is it important to understand potential energy?

Understanding potential energy is important because it helps us understand how energy is stored and transferred in various systems. It is also crucial in fields such as engineering, physics, and chemistry, where it is used to analyze and design systems and processes.

Back
Top