# What is the relationship between the potential and kinetic energy?

## What is the relationship between the potential and kinetic energy?

The primary relationship between the two is their ability to transform into each other. In other words, potential energy transforms into kinetic energy, and kinetic energy converts into potential energy, and then back again.

## What is the relationship between potential and kinetic energy on a roller coaster?

Kinetic energy is energy that an object has as a result of its motion. All moving objects possess kinetic energy, which is determined by the mass and speed of the object. Potential energy is the energy an object has as a result of its position. Potential energy is stored energy that has not yet been released.

How do you calculate energy from potential and kinetic energy?

Total energy of the object = mgh. As it falls, its potential energy will change into kinetic energy. If v is the velocity of the object at a given instant, the kinetic energy = 1/2mv2.

### What happens with potential and kinetic energy with a pendulum?

As a pendulum swings, its potential energy converts to kinetic and back to potential. Recall the concept of conservation of energy—that energy may change its form, but have no net change to the amount of energy. During the course of a swing from left to right, potential energy is converted into kinetic energy and back.

### What types of energy are potential and kinetic?

There are many forms of energy, but they can all be put into two categories: kinetic and potential. Kinetic energy is motion––of waves, electrons, atoms, molecules, substances, and objects. Potential energy is stored energy and the energy of position––gravitational energy.

What is the difference between kinetic and potential energy?

The main difference between potential and kinetic energy is that one is the energy of what can be and one is the energy of what is. In other words, potential energy is stationary, with stored energy to be released; kinetic energy is energy in motion, actively using energy for movement.

#### What are examples of kinetic energy at home?

Anything at home that moves is an example of kinetic energy. This could be a cue ball rolling on a billiards table, a fan circulating air on a warm day, or glass shattering on the floor after it falls from the counter. Electrical devices that are turned on use kinetic energy as do people moving about the house.

#### At what point does the pendulum have the most kinetic energy?

lowest point
An active pendulum has the most kinetic energy at the lowest point of its swing when the weight is moving fastest. An ideal pendulum system always contains a stable amount of mechanical energy, that is, the total of kinetic plus potential energy.

Does mass affect kinetic energy of a pendulum?

Mass and the Period Your investigations should have found that mass does not affect the period of a pendulum. One reason to explain this is using conservation of energy. If we examine the equations for conservation of energy in a pendulum system we find that mass cancels out of the equations.

## How does a catapult transfer potential and kinetic energy?

The catapult you make is going to transfer energy from the spring to a marshmallow. The marshmallow will have potential energy until the catapult releases, then the marshmallow will have kinetic energy as it flies through the air.

## Which is an example of potential and kinetic energy?

Science Experiment: Potential and Kinetic Energy – Marshmallow Catapult. Every object on earth has potential energy. That means it COULD move even if it isn’t right now. When an object IS moving it has kinetic energy . In today’s demonstration you are going to store energy in a spring.

What is the kinetic energy of 10 kg?

For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s 2.

### How to calculate kinetic energy of a body?

Calculator Use. This calculator will find the missing variable in the physics equation for Kinetic Energy of a rigid body, when two of the variables are known. K E = 1 2 m v 2. Where: KE = kinetic energy. m = mass of a body. v = velocity of a body.