Constant speed is a concept that is somewhat difficult to study hands on. First it is important to use something in which will travel constant speed. Constant speed cars are cheap and readily available and they go at a speed that doesn’t change. The car goes slow enough so that students are able to use stop watches to record the time. Increasing speed is also a difficult concept to get accurate data on. Often the increasing speed of an object is difficult to manually record with stopwatches. In the video below a skateboard is pulled at a slow beginning speed and then the speed gradually increases. The video shows constant speed and positive acceleration in action and then the data is plotted on a graph.
i think it was a good video and explained it well but i think it was too short of a video but good job
I agree. The car tends to veer to the left, so I had to run it along a wall. It’s hard to find a wall that doesn’t have anything that doesn’t impede the car.