Which of the following is/are a non-conservative force?

Which of the following is/are a non-conservative force?

مندرجہ ذیل میں سے کون سی غیر قدامت پسند قوت ہے؟
Explanation
  • Non-conservative forces, like the normal force, depend on the path taken and dissipate energy (e.g., as heat).
  • Conservative forces, such as gravitational and spring forces, do not dissipate energy.