QQ What is the relationship between weight and mass?

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Presentation transcript:

QQ What is the relationship between weight and mass? What is the relationship between mass and inertia? What is the relationship between weight and inertia?

An object accelerates when a net force acts on it.

What are some variables in our rocket design? How many variables are you changing for each launch? How do you maintain control of the variables?

How does mass affect acceleration? Is it proportional? If mass is doubled, is the acceleration doubled? Halved?

How does force affect acceleration? If the balloon has twice as much air, will it move twice as fast? How do you measure the amount of air in the balloon?

Recall the definition of acceleration: The cause of acceleration is force.