what efforts should be made by a person standing in the middle of a frozen Lake to reach the Shore
Answers
Answer:
Explanation:
he can throw anything which he have horizontally .
as per the law of conservation of linear momentum he will gain velocity .
Answer:
He should throw anything whatever is in his hand in the backward direction parallel to the lake surface.
Explanation:
We should note that a frozen lake has ice at its surface which is nearly frictionless.
Moreover, a force is always needed to change the state of any object. So, the person must be applied by a force to change its state from rest to motion so that the person could reach the shore.
But, due to the frictionless surface of the ice surface, the person has no means to get applied to a force. So, he must use the things that he has by throwing in the backward direction parallel to the ice surface which will cause him to move forward. This happens to abide by the law of conservation motion.
The person at rest along with the thing has zero momentum. When the person throws a thing in the backward direction, then momentum transfer will take in such a way that the total momentum of both, the person and the thing, remains zero. This gives the person a motion to reach the shore.