It refers to discus because when you throw the discus, it will keep going in one direction until something hits it, then it will go in the direction it gets it. But if the wind effected it's direction, that would also refer to newton's first law of motion since his 1st law of motion is:
"An object at rest will remain at rest until an outside force acts upon it. "
Its a matter of being scientifically rigorous. You can not claim the 2nd law as a law unless you first establish the first law.
It isn't.
Actually, the first one is completely independent on the second one. But the second one doesn't make any sense without the first one.
It is sometimes referred to as the law of inertia.
By saying that the acceleration is zero.
Its a matter of being scientifically rigorous. You can not claim the 2nd law as a law unless you first establish the first law.
the law of inertia
yeah.
Law of inertia.
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Law of Inertia.
It isn't.
It is associated with the law of gravitational pull.
Newtons first law of physics
Actually, the first one is completely independent on the second one. But the second one doesn't make any sense without the first one.
Force.
It is sometimes referred to as the law of inertia.