Week 8 - Newton's Laws

Which of Newton's laws best explains why motorists should buckle-up?

¿Cuál de las leyes de Newton explica mejor por qué los automovilistas deben abrocharse el cinturón?

• Newton's First Law of Motion

  Primera ley de movimiento de Newton

• Newton's Second Law of Motion

  Segunda ley de movimiento de Newton

• Newton's Third Law of Motion

  Tercera ley de movimiento de Newton

If you blow up a balloon, and then release it, the balloon will fly away. This is an example of

Si inflas un globo y luego lo sueltas, el globo se irá volando. Esto es un ejemplo de

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

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

De acuerdo con la primera ley del movimiento de Newton, un objeto en movimiento sobre el que no actúa una fuerza desequilibrada

• Stop

• Change its momentum

• Remain in motion

• Accelerate.

Acceleration depends on what two things?

• Force and mass

• Mass and friction

• Force and friction

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What is friction?

• Change in speed or direction

• Unbalanced force that opposes motion between two surfaces

• An object's tendency to resist motion

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The girl on the sled will remain in motion unless

• her motion is changed by magnetic forces.

• she is stopped by an outside force.

• she accelerates at a constant speed.

• the force of friction forcer her to move faster.

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A force that causes an object to slow down when it touches another object is ____.

• Gravity

• Interia

• Friction

• Newton

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

• Friction
• Mass
• Inertia
• Gravity

What is the formula for force?

• F=M/A
• F=A/M
• F=M*A
• F=M*F

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Imagine you kick four balls with the same amount of force. Which one will go the farthest?

• a 3 pound ball

• a 5 pound ball

• a 15 pound ball

• a 25 pound ball

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