Newton's First Law

What is Newton's First Law

• F=ma

• Every action has an equal and opposite reaction

• An object at rest stays at rest, an object in motion stays in motion. 

• Friction 

A soccer ball is sitting in the middle of a field. The ball will remain at rest until an outside force like a players foot or the wind acts upon it. Which of Newton's laws is represented by this?

• 1st

• 2nd

• 3rd

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced

• weak

• balanced

• Hulk Smash!

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NGSS.MS-PS2-2

Are the forces on this object balanced or unbalanced?

• Balanced

• Unbalanced

• Impossible to tell

The tendency of an object to resist a change in its state of motion is called the object's ______.

• incline

• straight line

• friction 

• inertia 

Which one is balanced?

• top

• bottom

• both

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NGSS.MS-PS2-2

The down-arrow in this diagram is most-likely:

• gravity

• normal

• a push or pull

• friction

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

The up-arrow in this diagram is most-likely:

• gravity

• normal

• a push or pull

• friction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which type of force(s) will cause a change in an object's motion?

• gravity

• zero net force

• balanced forces

• unbalanced forces

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NGSS.MS-PS2-2

If this object were moving right, the left-arrow in this diagram is most-likely:

• gravity

• normal

• a push or pull

• friction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2