Exploring Newton's Second Law of Motion

What does the equation F = m * a represent in Newton's Second Law?

• Force equals mass plus acceleration

• Force equals mass divided by acceleration

• Force equals the square of mass times acceleration

• Force equals mass times acceleration

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NGSS.MS-PS2-2

Which action does not directly apply a force to an object?

• Throwing a football

• Pulling a wagon

• Pushing a swing

• Watching a movie

Which scenario is an example of applying force?

• Reading a book

• Squeezing a sponge

• Listening to music

• Looking through a telescope

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Which object has more mass?

• A paper airplane

• A cotton ball

• A small rock

• A large balloon

Which has less mass?

• A basketball

• A bowling ball

• A cannonball

• A softball

What does mass refer to in Newton's equation?

• The volume of an object

• The weight of an object

• The density of an object

• The amount of matter in an object

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NGSS.MS-PS2-2

What does acceleration refer to in Newton's Second Law?

• A constant speed

• A decrease in speed

• A change in speed or direction

• A change in direction only

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NGSS.MS-PS2-2

What is required to accelerate a heavier object compared to a lighter one?

• Less force

• More force

• Equal force

• No force

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What happens when forces are balanced in a tug-of-war game?

• One side wins immediately

• The rope breaks

• Both sides move towards one side

• Neither side moves

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What example illustrates an unbalanced force?

• A book resting on a table

• A car parked on a hill

• Kids playing tug-of-war with equal teams

• Adding more kids to one side in tug-of-war

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NGSS.MS-PS2-2