Creating a Position vs. Time Graph using Stop Motion Photography

The video tutorial demonstrates creating a position as a function of time graph using stop motion photography. A yellow ball is dropped from a height of 2.0 meters, and its free fall is captured and analyzed. The video is slowed down to 1/8 speed to better observe the motion. The experiment aims to match the video with the predicted position-time graph by modeling the motion frame by frame. The tutorial concludes with a successful verification of the predicted graph.

What is the primary purpose of using a yellow ball in the experiment?

• To use a different material than the medicine ball

• To ensure the ball is smaller for the experiment

• To make the ball easier to see

• To match the color of the background

How many video slices are created to analyze the free fall of the yellow ball?

• 24 slices

• 48 slices

• 36 slices

• 12 slices

Why is the video speed adjusted to 1/8 of the normal speed?

• To match the speed of the previous experiment

• To make the video more dramatic

• To reduce the file size of the video

• To allow for a detailed observation of the fall

What does moving to the right on the position as a function of time graph indicate?

• The ball is stationary

• The ball has been falling for a longer time

• The ball is moving downwards

• The ball is moving upwards

What is the final step in verifying the experiment's results?

• Using a different colored ball

• Comparing the video with the predicted graph

• Increasing the number of video slices

• Releasing the ball from a greater height