Newton's Laws and Forces

If an object has twice as much mass as another, then it also has twice as much:

• Area

• Center of gravity

• Weight

• Acceleration

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NGSS.MS-PS2-2

NGSS.MS-PS2-4

An elephant and a feather fall through the air. The force of air resistance is greatest on the:

• elephant

• feather

• same

What law is best described

• The Law of Inertia (1st law)

• The Law of Acceleration (2nd law)

• The Law of Conservation of Momentum

• Action Reaction Law (3rd law)

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NGSS.MS-PS2-1

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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NGSS.MS-PS2-1

You hit a wall with a stick.  The equal but opposite reaction is _____

• the wall pushes against you

• the stick pushes against you

• you push against the stick

• the wall pushes against the stick

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NGSS.MS-PS2-1

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

• Friction

• Mass

• Inertia

• Gravity

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.

• They will not move at all.

• The boy in red will win.

• Both will fall down.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes

• Newton's first law, the law of inertia

• Newton's second law, the law of acceleration

• Newton's third law, the law of action reaction 

• The law of universal gravitation

Tags

NGSS.MS-PS2-2

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