Principles of Rocketry Quiz

What principle did Galileo discover related to motion?

• Gravity

• Inertia

• Acceleration

• Velocity

What happens to resistance as mass increases, according to Galileo?

• Resistance decreases

• Resistance remains the same

• Resistance increases

• Resistance disappears

What is the title of Isaac Newton's master work?

• The Theory of Everything

• Principia Mathematica

• The Art of War

• The Origin of Species

What is the relationship between mass and resistance according to Galileo?

• No relationship

• Direct relationship

• Inverse relationship

• Random relationship

According to Newton's Second Law of Motion, what is the formula for force?

• f = m + a

• f = m / a

• f = ma

• f = m - a

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What is required to move a cup upward against gravity?

• A force less than gravity.

• No force at all.

• A force equal to gravity.

• A force greater than gravity.

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What is an example of a force exerted by burning rocket propellants?

• Electromagnetic force.

• Muscle power.

• Movement of air.

• Expansion of gases.

What happens to the forces on a soccer ball in deep space after being kicked?

• They become balanced.

• They remain unbalanced.

• They disappear.

• They reverse direction.

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What is an example of relative motion?

• Sitting in a chair.

• Walking down an airplane aisle.

• Standing still on the ground.

• Lying in bed.

What happens when a cannon fires?

• The cannon moves forward

• The cannon recoils backward

• The cannon stays still

• The cannon changes color

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