Scalar vs Vector/Addition (PHY)

The grade you receive is a___ quantity

• Vector

• Scalar

Heat radiating outward from the core of the Earth is a ____ quantity

• Vector

• Scalar

Gravity pulling downward at a constant rate is an example of

• Scalar

• Vector

Wind blowing at 20 mph.Vector or scalar?

• Scalar
• Vector

What is the resultant of these two vectors?

• +17 m

• +3 m

• -17 m

• -3 m

What is the resultant vector of the two labeled vectors?

• +2 km

• +14 km

• -2 km

• -14 km

What vector gives the sum of these two vectors?

• 
• 
• 
• 
• 

If vector A has an x component of 12 units and a y component of 7 units, what is the magnitude of vector A?

• 19 units

• 13 units

• 14 units

• 193 units

A hiker walks 5 kilometers due north and then 7 kilometers due east. What is the magnitude of the resultant vector?

• 2 km
• 8.6 km
• 12 km
• 12.6 km

How do you combine vectors if they are in the same direction?

• Add
• Subtract
• Pythagorean Theorem
• Use Trigonometry