Vectors

A vector has both magnitude and __________.

• mass

• time

• direction

• none of the answers

How do you combine vectors if they are in opposite directions?

• Add

• Subtract (or add a negative)

• Pythagorean Theorem

• Use trigonometry

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-4

Which of the following quantities is considered a vector?

• Temperature

• Distance

• Mass

• Displacement

Two vectors of the same magnitude are added; one pointing east, one west. The magnitude of the resultant vector is

• 0

• 1

• 2

• 3

Find the distance a hiker walks if he travels 3.50 mi north, and then turns around and walks 3.00 mi south.

• 0.50 mi

• 1.50 mi

• 3.00 mi

• 6.50 mi

A force of 6.0 newtons north and a force of 8.0 newtons east act concurrently on an object. The magnitude of the resultant of the two forces is

• 1.3 N

• 2.0 N

• 10. N

• 14 N

Tags

NGSS.HS-PS2-1

Find the displacement for a hiker who walks 3.50 mi north, and then turns around and walks 3.00 mi south.

• 0.50 mi

• 6.50 mi

• 0.50 mi north

• 6.50 mi north

Determine the displacement for a car that travels 25 mi east and 25 mi north.

• 50 mi northeast

• 35 mi northeast

• 50 mi north

• 35 mi east

For two vectors to give a maximum resultant, the angle between them should be

• 0⁰

• 45⁰

• 90⁰

• 180⁰

• 17 m

• 149 m

• 3 m

• 12.2 m