Waves transfer energy; it is a disturbance moving through some type of medium. Sound waves generally move through the air (the medium)....

Energy and Momentum Momentum is the product of mass multiplied by velocity (it is a vector with units‐kg m/s). Momentum is always...

Physics is the best attempt in explain how things work in our universe. We believe that the universe is made up of matter and energy....

Click here to find out how energy and skate boards are related! play around with the friction and playground! #energy #game

Click here to see how change in mass changes the stretch of a spring! #forces #energy #game

Here is a professor experimenting with pendulums! Cats want to learn too! Also here is a simulator of a pendulum. Play around with the...