Student in class explains why tin can is crushed when air is removed from inside the can. She explains the phenomenon in terms of pressure differences.
Group 2 discusses CQ 1-3. At first one student tries to answer the question as if the context were the balloon (from CQ 1-2). Another student says that it is not a balloon but a container. She argues for choice C and the rest of the group agrees.
UPC L1 Video Clip 1: Group 2 discusses why tin can is crushed
UPC L1 Video Clip 1: Group 2 discusses why tin can is crushed