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Physics Lecture – 17 – Newtons Third Law
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37 responses to “Physics Lecture – 17 – Newtons Third Law”
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Hey smart ass, this is Newton’s second law. Besides, stop acting like you’re a physics expert when you know very little about it.
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Wow, Bucky weighs 1kg!
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newton would have used an apple as an example
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You could have used the punch in the wall example man, i was confused about what were you talking about until you used the arrows!
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1:26 Is that you, Christopher Walken?
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Newtons third law seems to apply to the surface of the planet where gravity is met with the extent of centrifugal force. It appears as if the centripetal force is the pair force to gravity on the surface of a planet. Centrifugal force being the "up" force and gravity being the "down". So does this mean that Earth is not accelerating? Now I am confused
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Watermelons grow on trees! I feel so stupid right now…..
(Im joking I know they grow of vines! lol) -
do any of you now if there is a guide like this on single variable calculus i can find one any ware
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i hate to nitpick, but you cant cut a tree branch with scissors…#wrekt
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Is the force that is contradicting the force exerted by gravity synonymous to what we call the Normal Force? *sorry if the question is too dumb I just really suck in physics sooo.. peace
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it's newton second law. Not third law
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These video's are helpful but water melon don't grow on trees lol
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Can you make a video about Newton's Third law During Acceleration?
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But you would be moving because the earth is turning
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For more understanding 3rd law comes into play when u THROW A BALL AT A WALL(action) THE BALL COME BACK TO U (the opposite reaction).::DDD
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Ok when i saw F=ma I thought about 2nd law
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This is the 2nd law not the Third!!!!!
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watermelon tree?
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i can used coconut as a example bro..
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What about the rotation of the earth?
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"pear, thats my favorite fruit" hahahaha love it
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Magnitude (or quantity) would be like something that is scalar and not vector. For example: Speed is a magnitude or quantity (mph) or (m/s) and velocity is the corresponding vector (Speed + direction). Just like how Distance is scalar and a quantity (meters) or (feet) or (miles) and its vector is Displacement, which = (distance + direction)
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Silly Bucky. Watermelons dont hang on trees, they lay on the ground 🙂
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Well, he is correct for the purpose of Newton's 3 law, but F=ma describes only Newtons 2 law, where you take forces that affect in one object into account. Whereas N3 describes symmetrical forces affecting in each object (force/interaction between them). Acceleration can be calculated from the sum of forces that affect to said object and not from the forces that N3 describes.
2: it describes stationary object (N2), and force pair (N3) would be: melon pulling tree down and tree pulling melon up.
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Bucky is correct, but you sir, are not
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Thanks man, my teacher is useless so this really helps
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what is a magnitude Bucky?? does anyone know what he means by that?
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Newton's pairs of forces always act on different and are of the same type. The first "pair" was implied to be on the person, if so would not be a pair. The second "pair" certainly wasn't one.
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eff ma?? no. like. DISLIKEE!! lol :p
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Hahahaha Watermelon tree shoe loaf
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Your favourite fruit is the Pear what a coincidence mine is the Bhut Jolokia
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Bucky, for your watermelon tree example, can we call it terminal velocity since it has force pairs and constant speed and no acceleration ?
Thanks
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I read somewhere that the opposite force to your weight is actually the force you exert to the Earth and not the normal force which prevents you from falling.
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In Newtons 3 law forces have effect to different objects.
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Air resistance isn't keeping the melon from dropping. The melon is stationary and ari resistance only occur with moving objects…
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That's what he's saying. Gravity is pulling the melon down and air resistance is keeping the melon from dropping. There's also tension on the end of the branch, but that's neither here nor there.
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I think force pair would be: melon pulling tree down and tree pulling melon up,
as an example of Newtons 3 law.
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