Do Now 12-6-21

A resultant vector is

• equal to the sum of one vector.

• equal to the sum of two or more vectors.

• equal to the difference of one vector.

The vertical value of a vector, such as the height

• Resultant vector

• Component vector

• x-component

• y-component

Which of these is not a vector quantity? 

• displacement 
• time
• velocity 
• acceleration

What describes a vector best?

• Magnitude

• Magnitude and unit

• Magnitude, unit, and direction

• Direction

What is a magnitude?

• A numeric value.
• A direction.

A scalar is a magnitude _____.

• With direction.
• Without direction.

Distance

• Vector
• Scalar

Displacement

• Vector
• Scalar

Which symbol is used to show vector quantities?

• Circle
• Line
• Arrow
• Triangle

How would you calculate the magnitude of the x component of this vector?

• 20cos30

• 20sin30

• 30cos20

• 30sin20