# Potential energy change

• pratikaman

#### pratikaman

is it true that potential energy of a particle always decreases in the direction of conservative force acting on it.

hi pratikaman!
pratikaman said:
is it true that potential energy of a particle always decreases in the direction of conservative force acting on it.

potential energy is defined as minus the work done by a conservative force

so yes, if your displacement is in the direction of the force, the work done is positive, and so the potential energy difference is negative

ok take a inverse square force like A/r^2 always pointing towards origin. where 'A' is some constant and 'r' is distance from origin of force. then potential energy function for this is U= A/r + c . where c is arbitrary constant. then potential in this case increases in direction of force.

no, U= -A/r + c

## 1. What is potential energy change?

Potential energy change is the change in energy an object has due to its position or composition. It is often measured in joules (J).

## 2. How is potential energy change calculated?

Potential energy change can be calculated using the formula 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 reference point.

## 3. What factors affect potential energy change?

The factors that affect potential energy change include mass, height or distance from the reference point, and the force acting on the object.

## 4. How is potential energy change related to kinetic energy?

Potential energy and kinetic energy are two forms of energy that are related. When an object has potential energy due to its position, it has the potential to be converted into kinetic energy when it moves or falls.

## 5. What are some real-life examples of potential energy change?

Some real-life examples of potential energy change include a roller coaster at the top of a hill, a pendulum at the highest point of its swing, and a stretched spring. All of these objects have potential energy due to their position or composition, which can be converted to kinetic energy when they are released or allowed to move.