Vector Quantities and Vector Addition

Consider the two vectors shown in the picture. Which of the pictures below shows the correct way of combining them head-to-tail along with the correctly-drawn resultant, shown as a dashed arrow?

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• 
• 
• 
• 

Tags

Graphical addition of vectors

What is the resultant of these two vectors?

• +17 m

• +3 m

• -17 m

• -3 m

When using the head-to-tail method to draw a vector addition diagram, the resultant is drawn from the _____ .

• head of the first vector to the tail of the last vector

• tail of the first vector to the head of the last vector

• head of the last vector to the tail of the first vector

• tail of the last vector to the head of the last vector

Use Pythagorean Theorem to determine the magnitude of the magnitude of the resultant.

• 7 m

• 12 m

• 25 m

• 5 m

A scalar is a magnitude _____.

• With direction.
• Without direction.

Consider the two vectors shown in the picture. Which of the pictures below shows the correct way of combining them head-to-tail along with the correctly-drawn resultant, shown as a dashed arrow?

• 
• 
• 
• 
• 

Two forces, A and B, act simultaneously at point O as shown on the diagram. The magnitude of the resultant force is closest to

• 8.0 N

• 11 N

• 128 N

• 16 N

The president’s airplane, Air Force One, flies at 250 m/s to the east. Wind is blowing at 35 m/s to the north. Find the resultant velocity of Air Force One.

• 63725 m/s north of east

• 252 m/s north of east

• 252 m/s south of east

• 285 m/s north of east

• 285 m/s east

Tags

NGSS.HS-PS2-1

A Frisbee that flies at a speed of 1.8 m/s north relative to the air encounters a tailwind that travels at 1.2 m/s. What are the speed and direction of the Frisbee relative to the ground?

• 0.60 m/s north

• 0.60 m/s at an 45 degrees north of east.

• 3.0 m/s north

• 0.60 m/s south

• 3.0 m/s south

If vectors X and Y are added, then the resultant would be best represented by vector _____. 

• A
• B
• C
• D

Tags

NGSS.HS-PS3-5