When a vector is multiplied by number less then -1 then its magnitude and direction to original vector respectively are?

1 Answer
Aug 14, 2018

Magnitude: Increases
Direction: Turns by #180°#

Explanation:

Let’s say there is a force of #"80 N"# acting towards north.

If this force vector is multiplied by a number #-2# then the magnitude of new force is #"160 N"# and it’s direction is towards south.