Comment on Technically the truth

zaphod@sopuli.xyz ⁨5⁩ ⁨weeks⁩ ago

• JeSuisUnHombre@lemm.ee ⁨5⁩ ⁨weeks⁩ ago

  Acceleration is a vector quantity that is defined as the rate at which an object changes its velocity. An object is accelerating if it is changing its velocity.

  A change in direction is a change in velocity

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  • zaphod@sopuli.xyz ⁨5⁩ ⁨weeks⁩ ago

    It changes the direction of the velocity vector, but not the magnitude.

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    • DrSteveBrule@mander.xyz ⁨5⁩ ⁨weeks⁩ ago

      Which is an example of acceleration.

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      • kaeurenne@lemmy.kadaikupi.site ⁨5⁩ ⁨weeks⁩ ago

        Meanwhile me noob in physics:-

        physics noob meme

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• qjkxbmwvz@startrek.website ⁨5⁩ ⁨weeks⁩ ago

  Left pedal looks more like a dead pedal to me.

  And as others have said, change in direction is still acceleration. That’s part of Newton’s (apocryphal?) apple story — he witnessed an apple falling, and wondered why the moon doesn’t also fall. His amazing insight is that it does fall (accelerate), it’s just that it falls in such a way that it orbits, rather than hits, the Earth (for timescales relevant to a human).

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  • Sc00ter@lemm.ee ⁨5⁩ ⁨weeks⁩ ago

    Agree 100% on the dead petal. Every manual transmission ive owned has the clutch and a footrest, so it actually appears to be 4 pedals if you dont know what youre looking at

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