Newton's 1st Law of Motion

What is Newton's First Law of Motion?

• F=m x a
• Every action has an equal and opposite reaction
• An object at rest stays at rest, an object in motion stays in motion unless acted on by another force. 
• Friction 

What is Newton's First Law known as? The Law of

• Friction
• Mass
• Inertia
• Gravity

What is inertia?

• the force that opposes motion
• the force of attraction between 2 objects
• an object's tendency to stay in motion or to stay at rest
• a change in an object's speed and/or direction

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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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According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

• remain in motion.
• eventually come to a stop.
• change its momentum.
• accelerate.

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According to Newton’s first law of motion, an object at rest that is not acted on by an unbalanced force will

• remain in motion.
• eventually come to a stop.
• change its momentum.
• remain at rest

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What kind(s) of objects have inertia?

• all objects with mass
• only objects at rest
• only objects in motion
• only objects whose motion is being changed

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A resistance to a change in motion is 

• Acceleration
• Inertia
• Gravity
• Velocity

Does not cause a change in motion

• Balanced
• Unbalanced

A rock is sitting on the ground.

• Balanced
• Unbalanced

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