Newton's Laws of Motion

Sir Issac Newton discovered how many laws of motion?

• 1

• 2

• 3

• a billion

For every action, there is an equal and opposite reaction.

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

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An object in motion will stay in motion unless acted upon by an unbalanced force, or an object at rest will stay at rest unless acted upon by an unbalanced force.

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

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The greater the mass of an object being moved, the greater amount of force needed to move the object.

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

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A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

I need to apply more force to move a full dresser (more mass) faster than I need to move an empty dresser faster.

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

A skateboarder pushes the ground BACKWARDS which causes the board to move FORWARD.

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

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An object in motion stays in motion and an object at rest stays at rest UNLESS

• acted on by a balanced force.

• acted on by an unbalanced force.

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When a horse stops suddenly, the rider on its back continues to move forward onto the ground. Which law is this?

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

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NGSS.3-PS2-1

A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?

• For every action there is an equal and opposite reaction.
• Every mass exerts a force on every other mass.
• An object at rest tends to stay at rest.
• Friction opposes the motion of an object.