S1.18 Vector Addition

Adding 2-D Vectors

​Use the Pythagorean Theorem to find the magnitude of vectors that create a right angle.

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Some text here about the topic of discussion

Multiple Choice

If two vectors to be added are at right angles, you will need to use _______ to find magnitude.

• Multiply

• Divide

• Pythagorean Theorem

• Use trigonometry

Rubi walks 4m [E] and then 3m [N]. What is her overall displacement?

​Find the displacement Josue walked west.

Math Response

A football is kicked with a horizontal distance of 12m and a vertical distance of 35m, calculate the displacement.

________ m

Type answer here

Correct Answer: 37

Deg^°

Rad

Math Response

A boat is rowed 5m North, and the river flow pushes the boat 12m East, what is the resultant displacement?

______ m (NE)

Type answer here

Correct Answer: 13

Deg^°

Rad

Math Response

An airplane flies 60m east then 80m north. What is the displacement?

_______m (NE)

Type answer here

Correct Answer: 100

Deg^°

Rad

Math Response

If Rubi walks 5m North, and 7m West; what is her displacement?

Round to the nearest tenth.

________m (NW)

Type answer here

Correct Answer: 8.6

Deg^°

Rad

Multiple Choice

What is the significance of studying vector analysis in physics?

• It helps in understanding the direction and magnitude of physical quantities.

• It is only useful for mathematicians.

• It is not relevant to real-world problems.

• It is mainly used in chemistry.