57
Lesson 57 of 84 · Energy
ExperimentSprings and Elastic Energy (Part 2)
What You'll Learn
A force is a push or pull that can change an object's motion, shape, or direction. Forces are measured in Newtons and can act through contact or at a distance.
Key Words
- force
- mass
- weight
Materials Needed
- toy cars
- ramps
- string
- weights
- tape
Safety First
- Handle glass items carefully to avoid breakage.
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
Steps
Step 1 — Read
Read and learn: A force is a push or pull that can change an object's motion, shape, or direction. Forces are measured in Newtons and can act through contact or at a distance.
Step 2 — Do
Follow the procedure carefully, step by step.
Step 3 — Observe
Draw a picture of what you observe.
Step 4 — Record
Answer the questions based on your data.
Check Your Understanding
Question 1
1 of 3What does Newton's third law state?