NOT A QUESTION For anyone doing edge 2020 physics labs here’s the answer i got 100% for Lab: mechanical equivalent of heat for edge 2020

Galileo was the first to notice that the moon has craters, valleys, and mountains. how might this have changed people's perception of the moon at the time?

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force