Which of these statements is/are true? HINT: What does it mean to be conservative?

Question

Question: Which of these statements is/are true? HINT: What does it mean to be conservative?

I. Conservative forces require contact between 2 objects.
II. Field forces conserve energy.
III. Friction is a conservative force.
IV. Conservative forces are path-dependent.

Options:

1. II only
2. II & IV
3. I, III, and IV
4. All are true

Answer 1

1. II only

It mean to be conservative that "Field forces conserve energy.".

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