Physics HW2.1 Vectors

What is a vector?

• a type of variable with the same origin point

• a type of variable that includes direction as well as size

• a variable with only positive values and shows direction

• a displacement with no direction and no magnitude

A scalar does not depend on _____.

• position

• distance

• magnitude

• direction

Which of the following is a vector?

• distance

• mass

• displacement

• temperature

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

With a vector, what kind of information is carried by the positive and negative signs?

• the direction

• the size

• the math function

• the coordinates

What is the "magnitude" of a vector?

• the units of the vector show magnitude

• the sign of the vector shows magnitude

• the length of the vector shows magnitude

• the direction of the vector shows magnitude

If two vectors to be added are at right angles, you will need to _________ to find the resultant

• just add them together.

• use the Pythagorean theorem.

• use the Law of Cosines.

• subtract the smaller for the larger.

What formula can we use to find the horizontal component of a vector?

What formula can we use to find the vertical component of a vector?

What is the x (horizontal) component of the vector in the diagram?

• 104N
• 60N
• -104N
• 95N

Tags

NGSS.HS-PS2-1

What is the y (vertical) component of the vector in the diagram?

• 104N
• 60N
• -104N
• 95N

Tags

NGSS.HS-PS2-1