Motion and Force

A place or object used for comparison to determine if another object is in motion is called a

• comparison point
• reference point
• point of view
• motion detector

What is the SI unit for acceleration?

• m/s
• m
• m/s²
• s

What is the SI unit for speed

• Km
• s
• m/s
• m/s²

Define Inertia

• How fast an object travels
• A push or pull
• An objects resistance to a change in its motion
• A force that brings a body towards to center of mass of an object

What is the length of the path traveled between two points?

• distance
• displacement
• scalar
• frame of reference

What is the length and direction of a straight line between starting and ending points?

• displacement
• distance
• frame of reference
• vector

What is a quantity that has magnitude only?

• scalar
• vector
• frame of reference
• displacement

What is a quantity that has both magnitude and direction?

• vector
• scalar
• frame of reference
• distance

Tags

NGSS.HS-PS2-4

A car drives 20 miles west, 5 miles north, 10 miles east, then 5 miles south.  What is the total distance traveled?

• 40 miles
• 20 miles
• 10 miles
• o miles

A car drives 20 miles west, 5 miles north, 10 miles east, then 5 miles south.  What is the total displacement?

• 40 miles east
• 20 miles south
• 10 miles west
• o miles