Author Question: To subtract a vector from another vector: a. add the two vectors and make the result negative. b. ... (Read 200 times)

go.lag · **on:** Jul 28, 2018

To subtract a vector from another vector:
a. add the two vectors and make the result negative.
b. draw an arrow from the tail of the first vector to the head of the second.
c. draw an arrow from the head of the first vector to the tail of the second.
d. turn the arrow you are subtracting around, and then add.
e. put one on top of the other, put a minus sign by the lower one, and then subtract as if they were numbers.

Question 2

When an object is moving in a circle, but it is not held to the center by a tangible connection like a string, what provides the centripetal force?
a. The tendency for the object to move in a straight line.
b. The natural tendency to move in a circle.
c. The angle of the surface the object moves on.
d. Centrifugal force.
e. Some force such as friction or gravity.