Thank you Mr Whibley, these notes are very helpful, ive been a bit behind my physic's since i was so busy with other school work, so now im just using my free time to catch up.
@@MrWhibleyPhysics I’m on the trigonometry refresher atm, i get that h equals square root of O squared plus H squared, but why does the other two O and A not have h squared first? the answer would result in a negative wouldn’t it?
So many time and efforts went in to his video. Thanks for your works. This helped a lot. I really appreciate your work. From a level 3 student in Cambridge.
@@ninjapirate123 Cambridge is just a standard, just like NCEA. It can be taken in NZ. Other standards include IB - which can also be taken in NZ instead of IB or Cambridge.
@@ninjapirate123 Right. But there's also a place called Cambridge in New Zealand. Also, if you go to his profile, under "about", it is stated "New Zealand" as his location.
At 3:00 you kinda forgot about Pythagoras theorem, no hate at all, love the content - it really helps. Just saw no one else had commented on it is all.
Hello Mr Whibley for the vertical circular motion part for the bucket, I feel like your missing this statement when the buckets at top there would be a tension force Ft which is really small in size as Fc is partly provided by Fg?.
Hi AnanomousRex, because in this situation the bucket is moving at the minimum speed, there is no tension at the top. Only the force of gravity providing the centripetal force.
Mr Whibley, can you make a video and go over the AS91521 standard? Because my class is doing this internal standard very soon and I want to know how I could get excellence in this standard
Hi Auberninja. It's in the works, but could be a few months away. In the meantime, you might find my old notes on this helpful: docs.google.com/document/d/10nvYV96Nvsuv9sYCpAr0u8PzASrvcmcTk3K2IrDWFls If you're unclear on what is required for excellence, be sure to question your physics teacher. They will have the best knowledge on the exact way in which you will be assessed.
In order for the bucket to travel in a circle there must be a force providing the centripetal force. While the tension force depends on the bucket velocity, the gravitational force is always the same. As you swing the bucket slower and slower the tension force reduces. If you continue you will reach a point where the tension at the top is zero, and the centripetal force is provided entirely by the gravitational force. I suggest tying a weight to a string and trying this yourself. At the minimum speed you will feel the tension disappear at the top, swing it slower and the weight will no longer travel in a perfect circle.
That's awesome Noodles! Try not to let this spook you. Keep up with your current studies and you'll be ready when you need to be. Focus on making sure you have a solid grounding in mathematics, particularly trigonometry and algebra. Whatever pathway you choose, nothing you fail at high school will close the door on that (I'm not trying to be inspirational here, this is blunt truth). Worst case scenario things could just take slightly longer than expected. If you want it enough and you're willing to put in the time, you'll get there. No question.
Not me watching this 8 hours before the exam in hopes it will finally click in my brain after trying to figure it out all year 😂
so how did the exam go?
Thanks Mr Whibley this has helped so much! You even went the extra mile to revise content as well. You are a hero👍👍
Cheers mate!
studying since Christmas watching your video over and over again. Thanks sir
Glad to hear it Sam! Drop a comment if you have any questions.
Thank you Mr Whibley, these notes are very helpful, ive been a bit behind my physic's since i was so busy with other school work, so now im just using my free time to catch up.
You're welcome, glad you're finding them useful.
@@MrWhibleyPhysics I’m on the trigonometry refresher atm, i get that h equals square root of O squared plus H squared, but why does the other two O and A not have h squared first? the answer would result in a negative wouldn’t it?
Great catch! The h should be around the other way. I've added a note in the description.
Thanks for showing this. It's what I've been learning in class right now. And my teacher can't teach properly so I use your channel for help
You're welcome Anonymous Player, glad to hear you're finding the videos helpful.
So many time and efforts went in to his video. Thanks for your works. This helped a lot. I really appreciate your work. From a level 3 student in Cambridge.
Thanks CAI_7, I'm glad to hear that you've found them helpful. From a former student teacher of Cambridge many years ago.
wait you don't live in NZ? But come to this channel to learn?
@@ninjapirate123 Cambridge is just a standard, just like NCEA. It can be taken in NZ. Other standards include IB - which can also be taken in NZ instead of IB or Cambridge.
@@BashingTruth No he said "From a level 3 student in Cambridge" which means he lives in a city called Cambridge, which is from the uk
@@ninjapirate123 Right. But there's also a place called Cambridge in New Zealand. Also, if you go to his profile, under "about", it is stated "New Zealand" as his location.
Thanks sir, this video is so great. Our class is a little behind on this topic, so working from home this video was absolutely essential. 🙏
Cheers Leo, glad to hear it!
this is amazing! thank you
Thanks TKDYT06, you're welcome.
@@tkdyt0674
bro I know u.
You're the goat
Great video sir
Cheers Frostburn!
At 3:00 you kinda forgot about Pythagoras theorem, no hate at all, love the content - it really helps. Just saw no one else had commented on it is all.
Thanks Cooper! Glad you find the content helpful. I've covered Pythagoras at 4:05, is this what you're meaning?
Hello Mr Whibley for the vertical circular motion part for the bucket, I feel like your missing this statement when the buckets at top there would be a tension force Ft which is really small in size as Fc is partly provided by Fg?.
Hi AnanomousRex, because in this situation the bucket is moving at the minimum speed, there is no tension at the top. Only the force of gravity providing the centripetal force.
Thank you sir!!!
Mr Whibley, can you make a video and go over the AS91521 standard? Because my class is doing this internal standard very soon and I want to know how I could get excellence in this standard
Hi Auberninja. It's in the works, but could be a few months away. In the meantime, you might find my old notes on this helpful: docs.google.com/document/d/10nvYV96Nvsuv9sYCpAr0u8PzASrvcmcTk3K2IrDWFls
If you're unclear on what is required for excellence, be sure to question your physics teacher. They will have the best knowledge on the exact way in which you will be assessed.
@@MrWhibleyPhysics So are you saying you'll make that video in a few months?
@@MrWhibleyPhysics I questioned him and he refuse to tell because of how bad of a teacher my physics teacher is
That's correct.
@@MrWhibleyPhysics ok thanks
25:09 I still don’t get why the bucket being swung and minimum velocity means there is no tension at the top.
In order for the bucket to travel in a circle there must be a force providing the centripetal force. While the tension force depends on the bucket velocity, the gravitational force is always the same.
As you swing the bucket slower and slower the tension force reduces. If you continue you will reach a point where the tension at the top is zero, and the centripetal force is provided entirely by the gravitational force.
I suggest tying a weight to a string and trying this yourself. At the minimum speed you will feel the tension disappear at the top, swing it slower and the weight will no longer travel in a perfect circle.
@@MrWhibleyPhysics Oh that makes sense. Thank you so much. You’re the reason I got an E in mechanics last year.
That's awesome Y, well done! Best of luck for your Level 3s.
gravity in ncea level 3 is 9.81 rather than 9.8 right
Hi Evan, that's correct.
10 at Level 1 (1sf)
9.8 at Level 2 (2sf)
9.81 at Level 3 (3sf)
This looks hard
Few would disagree.
@@MrWhibleyPhysics I’m in year 10 and I want to be a pilot physics seems hard hopefully I understand
That's awesome Noodles! Try not to let this spook you. Keep up with your current studies and you'll be ready when you need to be.
Focus on making sure you have a solid grounding in mathematics, particularly trigonometry and algebra.
Whatever pathway you choose, nothing you fail at high school will close the door on that (I'm not trying to be inspirational here, this is blunt truth). Worst case scenario things could just take slightly longer than expected. If you want it enough and you're willing to put in the time, you'll get there. No question.
@@MrWhibleyPhysics thank you so much I will try my best despite challenges. So thanks I won’t forget this