It is the morning after the first snow, and you are pulling your sister on a sle
ID: 1407575 • Letter: I
Question
It is the morning after the first snow, and you are pulling your sister on a sled behind you. Which of the following descriptions of this action is correct?
(A)Action always equals reaction, meaning that the force you place on the sled is the same as the force the sled places on you. The reason you can pull the sled is because the force it places on you always comes a moment after the force you place on it.
(b)Action always equals reaction, meaning that the force you place on the sled is the same as the force the sled places on you. You both move forward because the friction you feel with the snow is greater than the friction the sled feels with the snow.
(C)Action always equals reaction, meaning that the force you place on the sled is the same as the force the sled places on you. This implies that you cannot pull the sled, meaning that Newton's third law does not apply here.
(D)Action always equals reaction, but this does not mean that the force you place on the sled is equal and opposite to the force it places on you.
(E)Action always equals reaction, meaning that the force you place on the sled is the same as the force the sled places on you. The only reason you can move the sled is because you are larger and heavier than it is.
Explanation / Answer
Correct statement is:
Action always equals reaction, meaning that the force you place on the sled is the same as the force the sled places on you. You both move forward because the friction you feel with the snow is greater than the friction the sled feels with the snow.
Newton third law gets applied and the opposite reaction doesn't comes moment after. It is irrespective of size and how heavy you are.
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