Vector Quiz - Morgan Park High School



Vector Quiz

Answer all questions on another sheet of paper. Show all work and calculations – I cannot give you partial credit unless you do so. Write your quiz number on the paper you turn in.

1. What is the difference between a vector and a scalar?

2. A car drives 50 miles West and then heads 154 miles North.

a. Draw the vector addition.

b. Find the magnitude of the displacement for the car.

c. Find the direction of the car’s displacement.

3. A plane flies with a velocity of 345 m/s making an angle of 48 degrees with the horizontal.

a. Draw the vector addition.

b. Find the horizontal component of velocity for the plane.

c. Find the vertical component of velocity for the plane.

4. Can I add a displacement vector and a velocity vector? Explain why or why not.

5. Define the following terms as they relate to vectors:

a. magnitude of the resultant b. direction c. components

6. A rocket accelerates at a rate of 125[pic]in the northeast direction. The x-component of the acceleration is 12[pic].

a. Draw the vector addition

b. Find the y-component of the acceleration.

7. What is the difference between distance and displacement? When talking about realistic situations (everyday life), which of the two is more useful and why?

8. Identify whether the following physical quantities are vectors or scalars, and explain your choice.

a. temperature b. gravity c. volume d. number of pages in a book

e. wind speed and direction

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