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I thought that when we summed the forces we had to do it on the objects individually? or is every force acting on the meter stick so we don't need to do that?

I have a question @FlippingPhysics Why is the force of tension on both sides of the string equal to each other? Is it just common sense because I didn't want to assume that.

This might seem like a dumb question but why is R (radius) capitalized?

5:49, how do you know everything in the equation for the net force on the hanging mass is constant? Is it because we can see it? Can we assume it? Is it logic?

why do we need to identify that the values is for the disk? Also why is R and M capital (for radius and mass), why isn't it lowercase like normal?

I'm working on a picture of two guys playing catch. If I post the picture on my channel, can I get your physics-based view on the direction of the ball between the two throwers?

New disk needs a large number of users

I understand the math reason as to why the magnitude of the force of normal decreases as the car goes up the hill. But how can I make sense of that?

Why is it static friction? Is it because of the fact that we paused the video so nothing is moving or is it because of the fact that the mint itself isn't moving but the record player is? Why is it not kinetic friction?

Thanks a lot sir🙏🙏🙏

when i reached the end of this video, I knew why Mr. P was so happy in the beginning

I LOVE YOUR CLASSES, AND HOW YOU R GENUINELY TRYING TO MAKE LEARNING PHYSICS FREE!!! WHAT I LOVE SO MUCH ABT THIS VID IS THAT U R SO HAPPY WITH THE ARROW SHOOTING, AND I JUST FELT LIKE HOW FUN OF A IN PERSON TEACHER U WOULD BE, DOING EXPERIMENTS WITH US!!!!

This would have been way cooler if you had used a Corvette. 🤣🤣❤️🇦🇺

25:11 When was this mentioned? I though Electric potential is the potential energy over q? (referring to 6:38). Anyway, that equation looks like the equation for Electric field, which i think was used interchangeably in 26:55. Should i say electric potential of a point charge = Electric field?

For the first time I can see that the interference between the wave and its reflection creates the standing wave and the frequency has to be specific (the phases) for it to form.

I think this is a good explanation of derivatives: Imagine you're driving a car. Speedometer: Tells you how fast you're going right now. Derivative: Is like the car's speedometer for a mathematical function. The Speedometer Analogy Let's break it down further: Position: Where your car is on the road (like the value of a function at a point). Velocity (speed): How fast you're moving (how quickly the position is changing). The derivative of a function gives you the rate of change of that function at a specific point. It's like finding out the exact speed of your car at a particular moment.

I cant thank you enough i love you ❤❤❤🎉🎉🎉🎉❤❤🎉❤🎉🎉❤🎉❤

Phew..i finally get it 😂❤❤❤

did he get it all done

wait so is the conservation of momentum only in collisions (and explosions) because when the object (a ball for example) strikes the ground, the ground provides an equal but opposite force back on the ball. So the ball goes back up with the same velocity as when the ball struck the ground. this is why the initial momenta is equal to the final momenta. Is correct? Is there a better way to think?

So when you have a force (like the force of gravity) internal to the system, we don't look at it as the work done by the force of gravity but rather the gravitational potential energy. Is this because the work is just the transfer of energy so it makes sense to use the work done by the force of gravity because that's just saying how everything external to the system transfer's gravitational energy to the system. However when we include earth in the system, we have to start using gravitational potential energy because we are looking at how that energy changed and how it can be converted to other energies (like KE). Work done by the force of gravity would make no sense because since Earth is in the system, energy wouldn't be transferred. Is this right?

Finally a video on this that makes sense!

When I first learned rounding, I was thought that if it was 5 then I could do whatever I wanted. Guess that was wrong lol 6:32

I think I get it. Since the impulse stays the same. If the change in time increases, then the force of impact would have to decrease to make sure it is equal to the impulse. And the change in time increases because the distance the medicine ball has to travel increases. Can someone confirm this is correct? The only thing I don't understand is why the distance would increase if you add a helmet. Wouldn't the distance decrease?

If the displacement of the wood ball is the same as the displacement of the brass ball. Then the Nerd-a-Pult's Velocity would be .009 m/s which is around 17 times lower than the velocity of the Nerd-a-Pult if the brass ball was used. I guessing the velocity of the Nerd-a-Pult from the wood ball (.009) is not enough to get it moving because it would have to overcome the static friction. Is this correct?

just a question, but is the AP Physics C E&M course complete? I'm planning on using the course to self study, and I would like to know if the videos would be enough to get me through the entire course.

Hey can someone post when Mr.p taught relative error in his website or his playlist? I don't remember learning that.

is that your wife? if not sorry

this is meet the grahams for physics teachers

Thank you

If be honest, this video is the best video about friction! Thanks! ❤

Mr P, I just love you and your family. I am amazed by sensing your enthusiasm in Physics.

So much better than my university class on this relatively simple subject, I loved how definitions were first shown and clear, my class relies way too much much on intuitions giving little explanations/references back to what the definition of the damn thing actually is. Thanks!

THIS IS AMAZING, MINDBLOWING. Should have a lot more views!

4:20 Get itttt 🔥🔥🔥🔥🔥🔥🔥🔥

.......Great...👌👌

hey mr.p! Do I need to know Algebra 2 to take AP physics 1? or can I be concurrently enrolled in the class while taking AP physics 1?

You're amazing. Please leave your current videos up (as I have them embedded in my lessons)! They're still good!

I love physics so much, it's one of my favourite subjects. in 3 days I have my final exam. Thank you so much for helping me with this 🙏🏻

How will.we find direction of angular acceleration by this rule ???????

i had an A the whole year and aced almost every test/quiz/final in my class. when i walked out the AP exam, i felt like i got an easy 5. i got a 2.

Awesome explanation sir of parallel plate capacitor , loved how you explained dielectric polarization in the capacitor and the induced electric field, such an insight in this topic is also very useful while preparing for Joint Entrance Exam [JEE ADV] or IIT It is my humble request to read Concepts of Physics HC Verma which is a very great book and will also help you and your students for AP physics exam . HC Verma has many beautiful and conceptual question and will keep you interested .😎😎🤓😁

Superb video. Absolutely invaluable learning tool for better comprehending angular and linear momentum and when they are conserved.

YES I UNDESTAND finally what the velocity of the respect to the paper is 😢❤

😂 nice

I crammed using your videos from 8 years ago for phys 1 and i got a 5 thanks brother

Nuceeee

Thank god I found you man. Cramming your videos the week before helped me get a 5 on physics c. I also found out that next year, the physics c exams are getting their individual 3 hours with the amount of questions and stuff changing. Might wanna cover that.