Question

Help with application of vectors

Answer 1

Find the magnitude of the resultant force of two forces with magnitudes of 45 pounds and 75 pounds at angles of 45° and 100°, respectively. Round answers to the nearest hundredth of a pound or degree.

Answer 2

@freckles

Answer 3

Hold on a sec. Gotta check my Pre-Calc book to make sure...

Answer 4

Alright, I am confused where to start S;

Answer 5

write both vectors in rectangular form:
mag * < cos(angle), sin(angle) >
add components
find the magnitude of the resultant

Answer 6

Okay, so basically you have something like this:

First find the vectors of each.

Answer 7

I am confused with what phi said. I haven't gone over rectangular form

Answer 8

To help find the vectors...
That's teh first one:
Second one: