Springs are a common device for storing energy. A spring which is compressed from its by an amount x from its equlibrium length exerts a force This work represents energy transferred to the spring and ...

This resource is part of Science Friday’s Educator Phenomena Forum and was developed collaboratively by Jose Rivas, an engineering and AP science teacher in Lennox, California, and Sarah Han, a PhD ...

Suppose we consider the incline to be smooth. In this case, there is no work done on the system by non-conservative forces. Consider the simulation results below of the block sliding on a smooth ...

As a consulting mechanical engineer, I assessed more than 400 crash tests for the Australasian New Car Assessment Program from 1996 to 2017. It is always interesting to answer questions like this. The ...