Magnitude and angle of the resultant force (KristaKingMath)

Learn how to find the magnitude and angle of the resultant force from two vectors.

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Hi, I’m Krista! I make math courses to keep you from banging your head against the wall. ;)

Math class was always so frustrating for me. I’d go to a class, spend hours on homework, and three days later have an “Ah-ha!” moment about how the problems worked that could have slashed my homework time in half. I’d think, “WHY didn’t my teacher just tell me this in the first place?!”

[bunnyhop]

this is the complicated version of how to solve this i was looking for, thanks!

[TheMonkySpanker]

Absolutely kick-ass video... a million times more informative than any of my professors.

[ChristinaWahlquist-hz]

Krista, you're a saint! I watched your videos for help with Calc 1 and now I'm in Calc 3. Thank you for being part of my learning!!

[alexamaroukian]

This was so helpful and much easier to understand than my professor! Thank you!!

[BEJunki]

Geez, I love how you went into detail and helped me know why so I can actually remember it! Thank you, I subbed

[vincentmarqueses]

You can make it simpler by using table for x and y components. Then add all x and y separately (don’t forget the signs) then get the theta by getting the arctan of y over x. Simple as that.

[yashbalwal..]

This only one question explains me many concepts. This is really a nice video. Hope you upload more videos like this. Thankyou very much 👍🏻

[demonrhythms]

Thanks, it's very helpful. I spent three days solving one sum related to resultants but I couldn't, but now I can do it in few minutes thanks🤘💪

[stx]

Really well done, excellent explanation of steps in a clear and concise manner. Thanks!

[MJsMoonwalkerlife]

Great explanation but finding the angle of the resultant force may sound confusing. You can just do tan theta = (100sqrt3)/(-200) then you get a negative number but add 180 degrees. That gives you the same answer instead of finding an angle we don't need to worry about.

[alexyokiel]

Thank you so much for this! I find this way easier to understand than the triangle/parallelogram rule

[georgepolasky]

Krista, you are so brilliant, explain steps so well, and are so very nice as well. This is true with all of your videos. Many thanks to you.

[Toby_Gomez]

One of the best videos on this I’ve ever seen. Thank you so much!

[SushanthPatil]

Good teachers are underrated. You are one. Thanks alot.

[jainilajmera]

Thanks a lot!

The video was clear throughout and helped me understand resultants much better (I am a 9th grader)

[Will-bbzy]

When calculating the horizontal and vertical component of the F2 why do u use 180 degrees . Isn't it supposed to be 60 ? please explain me and thanks again good job and keep up :)

[DineshKumar-xjzy]

thank u for giving a detailed explanation.. I have my weekend exam by tomorrow. I hope this will help me..

[aspboss]

beautifully explanation....I was so confused between these two terms and you, mam clear my confusion.you will be nice professor...or a good teacher.thank you so much madom.😃☺🙌

[neudtewolde]

thank you, its very easy to understand your solution unlike many other videos.

[evan]

You saved my life!!!! Thank you so much