A man walks 3 km north, then 4 km south. What is his final position relative to

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Question: A man walks 3 km north, then 4 km south. What is his final position relative to the starting point?

Options:

Correct Answer: 1 km South

Solution:

He ends up 1 km south of his starting point after the movements.

A man walks 3 km north, then 4 km south. What is his final position relative to the starting point?

A man walks 3 km north, then 4 km south. What is his final position relative to the starting point?

Step 1: The man starts at a point, which we will call the starting point.
Step 2: He walks 3 km north from the starting point.
Step 3: After walking 3 km north, he is now 3 km away from the starting point in the north direction.
Step 4: Next, he walks 4 km south.
Step 5: Walking 4 km south means he moves back towards the starting point and goes 1 km past it.
Step 6: To find his final position, we calculate: 3 km north - 4 km south = -1 km, which means he is 1 km south of the starting point.

Vector Addition – Understanding how to add and subtract distances in different directions to find a final position.
Direction and Distance – Recognizing the importance of direction when calculating net displacement.