Forces and Motion

What is a force in the context of physics?

• A way to measure weight

• A push or pull on an object

• A measurement of speed

• A type of energy

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What happens when forces on an object are unbalanced?

• The object changes color

• The object moves

• The object stays still

• The object loses mass

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NGSS.MS-PS2-2

According to Newton's first law, what will happen to a dodgeball if no external force is applied?

• It will explode

• It will stay at rest or continue moving

• It will move randomly

• It will vanish

How does Newton's second law relate force, mass, and acceleration?

• Force equals mass minus acceleration

• Force equals mass divided by acceleration

• Force equals mass plus acceleration

• Force equals mass times acceleration

Tags

NGSS.MS-PS2-2

What does Newton's third law state about actions and reactions?

• Every action has an equal and opposite reaction

• Every action is less than the reaction

• Every action has no reaction

• Every action is followed by a similar reaction

Tags

NGSS.MS-PS2-1