Torque: Crash Course Physics #12
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Date: 2022-04-04
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Comments and reviews: 10
Shreya
For anyone watching Crash Coures physics for the first time:
Dont get tensed by watching these videos. These videos are best for reviewing the concepts after learning the topics beforehand. They are not recommended for anyone who wants to learn these concepts afresh. Dont freak out after watching these videos, it's fine!
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For anyone watching Crash Coures physics for the first time:
Dont get tensed by watching these videos. These videos are best for reviewing the concepts after learning the topics beforehand. They are not recommended for anyone who wants to learn these concepts afresh. Dont freak out after watching these videos, it's fine!
reply
DapaChrons
the key to watching these videos is to pause to think on and rewatch certain moments if you don't grasp them immediately. These videos also help in conjunction with reading or other videos. I'm here because my physics textbook didn't explain what torque was but launched into a 15 page discussion of magnetic torque
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the key to watching these videos is to pause to think on and rewatch certain moments if you don't grasp them immediately. These videos also help in conjunction with reading or other videos. I'm here because my physics textbook didn't explain what torque was but launched into a 15 page discussion of magnetic torque
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Alex
The ramp example is flawed. For rotational energy to be taken into account, friction must exist to make the ring/marble spin. If the object make contact with a 0 friction surface, they cannot engage in spinning, they would just slide down the ramp.
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The ramp example is flawed. For rotational energy to be taken into account, friction must exist to make the ring/marble spin. If the object make contact with a 0 friction surface, they cannot engage in spinning, they would just slide down the ramp.
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morteza
Then why did we invent the tyre i think there must be something wrong in my mind or in this explanation. rotational KE is not a wasted energy it helps object to move forward and might help it go faster
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Then why did we invent the tyre i think there must be something wrong in my mind or in this explanation. rotational KE is not a wasted energy it helps object to move forward and might help it go faster
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education
at this point im not longer expecting anything. im just sitting and watching and waiting for physics to tell me that what ever I percive is actually quite the other way around. or is it?
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at this point im not longer expecting anything. im just sitting and watching and waiting for physics to tell me that what ever I percive is actually quite the other way around. or is it?
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yahping07
The purple color of the rotational kinetic energy has a wrong label. It says 'kinetic energy of translational motion. ' Think it should be 'kinetic energy of rotational motion. '
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The purple color of the rotational kinetic energy has a wrong label. It says 'kinetic energy of translational motion. ' Think it should be 'kinetic energy of rotational motion. '
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Vicra
What's about the friction they have when goes down? The box has more surface than the marble and ring, it means the box have more friction than the other. So it will be slowed down
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What's about the friction they have when goes down? The box has more surface than the marble and ring, it means the box have more friction than the other. So it will be slowed down
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wayne
Very interesting. Never seen this comparison before. I-m trying to understand quantum spin by going back to classical analogies. I know I know spin is quantum but what the heck.
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Very interesting. Never seen this comparison before. I-m trying to understand quantum spin by going back to classical analogies. I know I know spin is quantum but what the heck.
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The
Loved the video but in the case of the ramp, I'm pretty sure that friction between the box and ramp is kinetic, there is relative motion B/w the two surfaces.
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Loved the video but in the case of the ramp, I'm pretty sure that friction between the box and ramp is kinetic, there is relative motion B/w the two surfaces.
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Anthony
That-s crazy, I thought the box would be last and ring would be first since it looks like a wheels. Thanks Dr Shini Somara!
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That-s crazy, I thought the box would be last and ring would be first since it looks like a wheels. Thanks Dr Shini Somara!
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