Physics Lesson: Vector Free Body Diagrams Part 4 for high school

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[DreadedLeopard]

what happens if i don't know Fa?

[PhysicsEH]

@DreadedLeopard You would need to be given something else then because you can only be missing one variable or you can't solve for anything. The formula for the x and y direction would still be the same so you would plug in what you know and solve for what you don't. I hope this helps.

[mrssyasya]

Thank you so much. this has helped me a lot! Im from malaysia.

[PhysicsEH]

@mrssyasya Hello from Canada. Thanks for letting us know the videos helped.

[hypeblast]

on time 4:42 why did you divide Fx-Ff/(20kg)?

[PhysicsEH]

@hypeblast Just above the part on the board where we did that, you will see written Fx - Ff=ma So if you substitute numbers for each variable you get 34 - 10 = 20a (We skipped that step) When you rearrange this to bring the 20 over to the other side by dividing both sides by 20 you get (34 - 10)/20 = a

So the 20 was the mass and it needed to be brought over to the other side to solve for "a" I hope this helps, let me know if you need more clarification.

[polos505]

thanks a lot.i wish you were my ap physic teacher. good job.

[jeysidalumpines]

thanks sir =) can you replace my physics teacher? =))))

[DeathhoundVideos]

looooooooooooooooool

[ps3kills3shity]

@PhysicsEH hey i dont understand how Ff is 10? why is that?

[punky4274]

Thank you!! This really helped me to understand my teacher does not explain it as well as you did.

[khislove]

thank you for putting up these helpful vids. you are a god!!!!!!!!!!!!

[Bakugantsuvai1]

@PhysicsEH Could you show me step by step?

[littlegypsyboi]

haha bindi spot again

[iSuad09]

THHHHAAAANKKKK YYYOOOOUUU!!!!

i finally got