Class 3 Catapult Construction and Optimization Quiz

What is the primary function of the fulcrum in a Class 3 lever like the catapult?

• To provide a point of rotation

• To hold the load in place

• To apply effort

• To balance the lever

Which tool is recommended for cutting the craft sticks in the catapult construction?

• Wire cutters

• Knife

• Scissors

• Saw

What is the purpose of adding rubber bands to the catapult?

• To provide tension for launching

• To decorate the catapult

• To increase the weight

• To stabilize the base

Why might you choose to use foam cubes as projectiles in the catapult?

• They are less likely to cause damage indoors

• They are the cheapest option

• They are the heaviest option

• They are the most aerodynamic

How can the performance of the catapult be improved by adjusting the arm length?

• By making it shorter to reduce weight

• By making it thicker to increase strength

• By making it thinner to reduce air resistance

• By making it longer to increase speed