PBS
Pop Fly
A lever comes in handy when scholars build a launcher for a ping-pong ball. They test the launcher and redesign it to send the ball higher or to accommodate a tennis ball. This is the third lesson in a five-part unit.
Curated OER
Particle Models in Two Dimensions
In this motion worksheet, students draw and label the trajectory of objects including the x-component and y-component of the velocity. Students calculate acceleration and speed. This worksheet has 7 problems to solve.