A horizontal line means the object is moving at a constant speed ... The area under the graph = the distance travelled. This is a speed-time graph for a car moving between two sets of traffic ...

There's no issue, per se, with a person moving at a very fast constant ... speed. Too much acceleration force can hurt, and even kill, us. At high accelerations, "your blood will have a hard time ...

I see this problem all the time. The idea that if you apply a constant force on an object, it should move at a constant speed. Really, this is what Aristotle would say, right? There are two course ...