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Vector PhET

Last updated about 5 years ago

8 questions

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Open the simulation in "Explore 1D" and review how 1D vectors combine.

Question 1

1.

How must vectors be arranged to graphically add them? (You may want to consult your notes, Binder Doc#11) [Ans: three words]

Question 2

2.

What math operation is used to combine vectors that point in the same direction? [Ans: one word]

Question 3

3.

What math opearation is used to combine vectors that point in opposite directions? [ Ans: one word]

Open the simulation in "Explore 2D" and review how 2D vectors combine

Question 4

4.

What formula (name) is used to combine vectors that point at right angles to each other?

Question 5

5.

Write a general procedure for combining any number of vectors that point in different directions.

Question 6

6.

Who is your Greek Friend?

Question 7

7.

What trig function can always be used to find the direction of vector from its components?

Question 8

8.

Which of the following are the same vector as "5 at 25 degrees"

5 at -25 degrees

5 at 115 degrees

5 at 155 degrees

5 at 205 degrees

-5 at -25 degrees

-5 at 115 degrees

-5 at 155 degrees

-5 at 205 degrees