Unit 6: Newton's 3 Laws

What does Newton's First Law state?

• An object will change its velocity only if it is in motion.
• Force = Mass x Acceleration

• An object will accelerate if no forces are acting on it.
• An object will remain at rest or in uniform motion unless acted upon by a net external force.

What does Newton's Second Law state?

• An object will change its velocity only if it is in motion.
• Force = Mass x Acceleration

• Every action has an equal and opposite reaction

• An object will remain at rest or in uniform motion unless acted upon by a net external force.

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What does Newton's Second Law state?

• An object will change its velocity only if it is in motion.
• Force = Mass x Acceleration

• Every action has an equal and opposite reaction

• An object will remain at rest or in uniform motion unless acted upon by a net external force.

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What is an object's resistance to changes in motion due to the mass?

• Inertia
• Friction

• Net Force

• Velocity

What is a force that resists motion of an object and requires contact?

• Inertia
• Friction

• Net Force

• Velocity

What is the force of gravity acting on an object?

(a)  

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According to Newton's 2nd Law, if force increases, then acceleration must _______________.

• Stop

• Increase

• Decrease

• Stay the Same

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According to Newton's 2nd Law, if mass increases, then acceleration must _______________.

• Stop

• Increase

• Decrease

• Stay the Same

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Mass equals

• Force/Mass

• Force/Acceleration

• Mass x Acceleration

• Mass/Acceleration

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Acceleration equals

• Force/Mass

• Force/Acceleration

• Mass x Acceleration

• Mass/Acceleration

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