Catapult Physics & Lab Activity. Definitions. Force ( F ) : strength or power applied upon an object. F = mass * acceleration. Definitions. Mass ( m ) : the quantity of matter (atoms/particles) in the object
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Catapult Physics&Lab Activity
Gravity is necessary to make a projectile land back on the ground. The launching force and angle along with the mass of the object help determine how far and how high the projectile will fly
Without Gravity VS. With Gravity
Factors in Affect….What Happened?
An object of the same mass and same angle is thrown faster and faster each time
Objective:The projectiles in this activity are marshmallows. Design and build your catapult to launch the projectile a certain distance.
Remember to do some research to help you in the design process. Include sketches in your design plan, a list of materials you will use, and a data table you will record your results in.
I MUST approve your design plans before you will be allowed to begin construction.
Mass of object being hurled
Strength & flexibility of arm
Mass of arm
Length of the arm
How far the arm is pulled back
Angle of base or release (best angle?)
Make your own data table to record how many times your marshmallow hits the target.
Calculate your experimental probability.
# of times it landed on target / total # of launches
Are you accurate? Precise? Both?
What variables affect the accuracy of your catapult?