Motion and Force

a force that opposes the motion of an object in contact with a surface

• motion
• force
• friction

a change in the velocity of an object over time

• acceleration
• speed
• inertia

If runners are speeding up and changing direction during a race, they are changing their ___________________________________.

• acceleration
• speed
• velocity

Tags

NGSS.HS-PS2-1

A push or pull on an object is called _______________________________.

• force
• motion
• position

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If you know the speed and direction of an object, then you also know the  _______________________________ of the object.

• acceleration
• speed
• velocity

Tags

NGSS.MS-PS3-1

A change in an objects position is called ____________________________.

• motion
• speed
• friction

Acceleration is the change in _____________________________ over time.

• speed
• velocity
• friction

When you drag a book across a table, you are creating what type of friction?

• elastic
• compressional
• sliding

When net forces are equal in strength and opposite in direction, they are said to be _____________________________.

• balanced
• unbalanced
• equal

Distance divided by time equals _________________________________.

• motion
• acceleration
• speed