Unit 8 Activity 2: More on Work and Energy To show and then play a movie, click on the arrow or the movie title/description. Repeat to hide it. Initial Ideas: Cart with added mass launched and then stopped. Initial Ideas: Cart with added mass launched and then stopped. Exploration #1, STEP 3: Simulation 10 kg cart moving at 10 m/s, acted on by 8 N opposing force. Exploration #1, STEP 3: Simulation 10 kg cart moving at 10 m/s, acted on by 8 N opposing force. Exploration #2, STEP 2: Simulation of 15 kg box being pushed by 63 N force, but also acted on by 51 N frictional force. Exploration #2, STEP 2: Simulation of 15 kg box being pushed by 63 N force, but also acted on by 51 N frictional force. Summarizing Questions, S3a: Using Work-Energy Principle to find frictional force acting on launched cart. Summarizing Questions, S3a: Using Work-Energy Principle to find frictional force acting on launched cart./a> Summarizing Questions, S3b: Using Work-Energy Principle to find average elastic force acting on launched cart. Summarizing Questions, S3b: Using Work-Energy Principle to find average elastic force acting on launched cart. Return to Unit 8 Resources Page Copyright © 2020 LEAP