Newton's 3 Laws of Motion

A magician pulls a table cloth from under a table of dishes.

• Newton's

  1st

  Law of Motion

• Newton's

  2nd

  Law of Motion

• Newton's

  3rd

  Law of Motion

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A skater pushes another skater forward, but the one pushing moves backwards.

• Newton's

  1st

  Law of Motion

• Newton's

  2nd

  Law of Motion

• Newton's

  3rd

  Law of Motion

Tags

NGSS.MS-PS2-1

An automobile you are riding in suddenly stops, but you continue to go forward.

• Newton's

  1st

  Law of Motion

• Newton's

  2nd

  Law of Motion

• Newton's

  3rd

  Law of Motion

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NGSS.MS-PS2-2

When the force on a car is doubled, the acceleration is doubled.

• Newton's

  1st

  Law of Motion

• Newton's

  2nd

  Law of Motion

• Newton's

  3rd

  Law of Motion

Tags

NGSS.MS-PS2-2

How long will an object remain at rest, according to Newton's First Law of Motion?

• it can't rest
• until noon
• until an unbalanced force occurs
• as long as there are unbalanced forces acting on it 

You are holding a bowl of hot soup while standing in the kitchen. As you begin to move, the soup spills out of the bowl. Upon reflection you realize that

• the soup spilled because of air resistance
• if you had traveled faster this wouldn't have happened
• the soup wanted to stay where it was, but you moved the bowl
• the soup and the bowl act as one body with the same velocity

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Which of these is an example of Newton's Second Law, F=ma

• a tug of war where both sides pull equally, and the rope doesn't move
• a wide receiver using his hands to stop and catch a football thrown by the quarterback
• a car traveling on a straight part of the highway with a cruise control set at constant velocity
• a book pushing down on the desk where it is resting

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You pull a wagon with your younger sister in it. Which of these would accelerate the rate at which you can pull the wagon?

• pull the wagon with less force
• Pull the wagon with more force
• Have your sister push down on the wagon
• Put another of your siblings in the wagon

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NGSS.MS-PS2-2

Pat measure a small rubber ball and makes 3 other balls of the same diameter from lead, foam, and wood. Which has the greatest inertia?

• rubber ball
• lead ball
• foam ball
• wood ball

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)

• The one with a mass of .78 kg will have the greatest acceleration.

• The one with a mass of .52 kg will have the greatest acceleration.

• They will both accelerate at the same rate.

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NGSS.MS-PS2-2