Newton's laws of motion

When the air is released from a balloon, the air moves in one direction, and the balloon moves in the opposite direction. Which law best explains the motion of the balloon?

• Newton's Law of Inertia
• Newton's Law of F=ma
• Newton's Law of Force Pairs
• Newton's Law of Biology

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

• Friction
• Mass
• Inertia
• Gravity

What is Newton's First Law

• F=ma
• Every action has an equal and opposite reaction
• An object at rest stays at rest, an object in motion stays in motion. 
• Friction 

Newton's third law states that any action will have a(n) _______ and ______ reaction

• Equal and similar
• Equal and opposite
• Equal and different
• Greater and opposite

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An object at rest will _______ if no outside forces are applied.

• Stay at rest
• Increase Velocity
• Decrease Mass

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If lil Houdeshell weighs 378 Newtons on Earth and 63 Newtons on the moon, this means that her...

• mass is greater on earth.
• mass is greater on the moon.
• inertia is greater on earth and less on the moon.
• mass is the same on the moon and the earth.

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NGSS.MS-PS2-4

When a heavy football player and a light one run into each other, who exerts more force?

• The heavy one
• The light one
• They are equal
• there is no such thing as force

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Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron? 

• feathers 
• iron
• same
• depends on their friction

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NGSS.MS-PS2-2

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

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NGSS.MS-PS2-2

Which law explains when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• Law 1
• Law 3

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