jjjtdyt

Which of the following is always positive?

• vector

• direction

• magnitude

• scalar

Which of the following may you do to a vector without changing it?

• Add a nonzero vector to a vector.

• Multiply a vector by a scalar other than 1.

• Rotate a vector through any angle other than 360 degrees.

• Move the vector without changing its orientation.

 The _______ of two or more vectors is the sum of the vectors.

• components

• resultant

• scalar

• magnitude

Sara walks from Point A to Point B. Which is true?

• Distance and displacement are EQUAL

• Distance is less than displacement

. 

Juan walks in the following order: from Point A, to Point B, to Point C, and stops at Point D. Which is true?

• Distance and displacement are EQUAL

• Displacement is less than distance.

• Distance is less than displacement

Wind blowing at 20 mph.Vector or scalar?

• Scalar

• Vector

Which of the following is the correct prefix for 109?

• nano-

• mega-

• micro-

• giga-

deci

• 1

• 0.1

• 0.01

• 0.001

The abbreviation for "megahertz" is __________

• MHz

• Hz

• mHz

•  μHz

What is the net force?

100 N        230 N

<------        --------->

• 30 N to the right

• 230 N to the right

• 130 N to the right

• This is a balanced force