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Choose the correct answer:
1. In an argument, Akbar got angry with her friend Divya. Divya angrily walked along a path which is a curve. Akbar wants to catch her to apologize before she reaches the end point. She decided to walk in a straight line to catch her. In Physics, what do we call the measurement of the path Teena chose?
2. We know the elevators which are used in tall buildings. Imagine an elevator always on the ground floor when not in use. Some people used it sometimes. Anyway at the end it will again come to the ground floor. Now, which of the following is zero during \(3\) complete ups and downs?
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