The Ramp And Friction Phet Simulation Lab Answers -

forces and motion basics force motion friction - explore the forces at work when pulling against a cart and pushing a refrigerator crate or person create an applied force and see how it makes objects move change friction and see how it affects the motion of objects, energy skate park basics phet colorado edu - learn about conservation of energy with a skater gal explore different tracks and view the kinetic energy potential energy and friction as she moves build your own tracks ramps and jumps for the skater