Motion Force and Newton's Laws

The greater the mass of an object, the greater the amount of ______ is needed to make it accelerate.

• Force

• Matter

• Acceleration

• Velocity

Tags

NGSS.MS-PS2-2

In the equation f=ma, what does the "m" stand for

• acceleration

• matter

• mass

• force

Tags

NGSS.MS-PS2-2

Jumping into the air is an example of _________.

• Action-reaction forces

• Momentum

• electromagnetic fields

• Mass

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NGSS.MS-PS2-1

NGSS.MS-PS2-4

What is velocity?

• It is only the acceleration of an object

• It is the speed AND direction of an object.

• Only the direction of an object

• None of the above

True or false. If you change ONLY the direction of an object, you have then changed its velocity.

• True

• False

Which choice below best defines gravity?

• A force that pushes away

• an objects ability to accelerate

• An objects mass attracting other objects towards it

• The ability to change the speed and direction of an object

Tags

NGSS.MS-PS2-4

Select the term that BEST matches the definition below.

Definition: Energy that causes movement.

• Force

• Gravity

• Momentum

• Newton's Third Law of Motion

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NGSS.MS-PS3-1

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What kind of force causes objects to move?

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-2

We wear seat belts in cars because _________ will cause us to move forward in a crash.

• mass

• speed

• inertia

Forces create motion by either a push or a pull on an object.

• True

• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1