Introduction to Motion

Wind blowing at 20 mph.Vector or scalar?

• Scalar
• Vector

30 m/sec, East. Scalar or Vector

• Scalar
• Vector
• Neither

A deer running 15 meters per second due west.Vector or scalar?

• Scalar
• Vector

A quantity that has both magnitude and direction is called a scalar quantity.

• True
• False

What is magnitude?

• The direction that describes a quantity.
• A numerical value
• A unit of force

If I wanted to describe how far I can kick a soccer ball, I would be using the following measurement...

• Distance

• Position

• Displacement

• Speed

What is the difference between speed and velocity?

• Speed has direction while velocity does not.

• Velocity has direction while speed does not.

• Speed has magnitude while velocity does not.

• Velocity has magnitude while speed does not.

The pace an object travels in a certain amount of time

• speed

• acceleration

• Velocity

• motion

Tags

NGSS.MS-PS3-1

What two things do you need to find speed (select both)

• distance

• time

• velocity

• direction

SI unit for speed

• Mph

• m/s or km/h

• newtons

• pounds

Tags

NGSS.MS-PS3-1