Newton's First Law

The tendency of an object to resist change in motion.

• Force
• Motion
• Friction
• Inertia

It is also called the Law of Inertia.

• Newton's First Law of Motion
• Newton's Second Law of Motion
• Newton's Third Law of Motion
• Newton's Fourth Law of Motion

____ means that an object in motion will stay in motion in the same direction, or it will stay at rest,  unless another force acts upon it.

• Inertia
• Friction
• Motion
• Gravity

Every object continues to stay at rest, or at a constant speed in a straight line unless acted on by a nonzero net force.

• Newton's First Law
• Newton's Second Law
• Newton's Third Law
• Newtons Universal Law of Gravitation

Which of these can cause a moving object to change direction?

• inertia

• velocity

• force

• mass

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Because of inertia, a resting object will remain at ________.

• rest
• a constant speed
• school
• inertia 

Because of inertia, a moving object will keep ________.

• at rest
• moving
• in one spot
• inertia 

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Newtons law states that for every action, there is an_________ reaction

• unequal and opposite

• stronger and opposite

• equal and similar

• equal and opposite

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Force always come in________

• waves

• triplets

• pairs

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When a heavy football player and a light one run into each other, who exerts more force

• The light one

• Their force are equal

• The heavy one

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