How does the energy possessed by a ball bearing change as it travels along an incline ramp?

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Talia is manufacturing rolls of wire for hanging pictures. she needs a material that is so that it can easily be pulled into wire without breaking.