April is a great month to celebrate native plants. Recently, Massachusetts joined the growing number of states across the country to declare the first full month of spring “Native Plant Month.” For me ...

The mass is just sitting there motionless. There is no acceleration and it is in equilibrium. What does this mean? This means that the net force in the y-direction (vertical direction) must be zero. I ...

The shadow projections of uniform circular motion and simple harmonic motion look identical when the periods of the respective motions are the same. The moving objects are a ping pong ball on a ...