Simple Force Vectors - POE

A scalar quantity has

• neither magnitude nor direction
• magnitude only and no direction
• both magnitude and direction
• direction only and no magnitude

An example of a vector quantity is

• force

• time

• speed
• distance

What is the sense of the shown vector?

• up, right

• down, right

• up, left

• down, left

What is the direction of the shown vector?

• 110 CW from +x

• 110 CCW from +x

• 70 CCW from +x

Vector a is 10 lbs to the left. Vector b is 5 lbs to the right. What is the resultant vector?

• 5 lbs to the left
• 10 lbs to the left

• 10 lbs to the right
• 15 lbs to the right

Vector a is 20 lbs up. Vector b is 18 lbs down. What is the resultant vector?

• 18 lbs up
• 2 lbs up
• 38 lbs up
• 2 lbs down

Fx = 14 and Fy = 8. What is F (hypotenuse)?

• 4.7

• 12.4

• 16.1

• 260

• 60.3

• .5

• .01

• 29.7

Which trigonometric equation is used to solve for Fx?

Which trigonometric equation is used to solve for Fy?