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What is Physics?

• abt animal

• abt toys

• abt all things in the world

True or false: Velocity and acceleration have the same meaning.

• True

• False

Newton's Second Law says that force equals mass times _____.

• acceleration

• height

• heat

• 3.14

Newton's First Law states that objects at rest shall remain at rest, unless what happens?

• They are in space.

• They are acted on by an external force.

• They become too cold.

• They shrink to subatomic size.

Which of these things is named after Isaac Newton?

• a crater on Marsa

• measure of weight

• type of telescope

• all of these

Which of these colors has the shortest wavelength?

• blue

• red

• violet

Is light visible?

• Depends what you mean by "visible"

• no

• yes