4-18-23 pRACTICE

To hurl or launch something

• Catapult

• Trebuchet

• Lever

• Force

What is a catapult?

• A catapult was a simple machine. It was used to throw heavy objects at the enemy with great force.

• A time machine

• A fruit

• A flower

The strongest and most sturdy polygon to use in constructing a base for a catapult is a..

• triangle

• square

• rhombus

• circle

The term “projectile” means..

• a ping pong ball

• an object that is launched or thrown, usually in the air, by a force

• an object that orbits around the earth

• a small catapult

The property responsible for the rubber band's ability to stretch and then return to its normal state and to propel the catapult's firing arm is known as _______________.

• resistance
• torsion
• tension
• elasticity

Which launch angle produces the greatest range?

• 45 degrees
• 60 degrees
• 75 degrees
• 90 degrees

What simple machine are used in a catapult?

• Pulley

• Gear

• Lever

• Inclined Plane

What is the line in which the projectile travels when launched?

• Fly line

• Path

• Angle

• Trajectory

Trivia Question: A gravity powered (counter-weight) catapult was also called this.

• Cannon

• Ballista

• Mangonel

• Trebuchet

An educated guess

• two-coordinate graph

• independent variable

• control

• Hypothesis