Book 22, Question 39
How Does a Toy Catapult Launch Things?
A toy catapult can toss a soft pom-pom across the room. It does that with stored energy. Let's build the idea! The arm of a catapult is a lever, which makes the throw faster.
Book 22, Question 39
A toy catapult can toss a soft pom-pom across the room. It does that with stored energy. Let's build the idea! The arm of a catapult is a lever, which makes the throw faster.