PHYSICS: So an object at rest can be at equilibrium, but what about an object that is moving? And how does equilibrium relate to Newton’s first law? Or Newton’s second law? And what if you don’t have balanced forces. Here’s the lecture from today on just that! Now remind me, net forces produce what?
Oh, and while we’re at it, you’d rather hit a hay stack than a brick wall why?
(Thanks, Arlie and Nathan – and all, for being great volunteers!)