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When a bus starts and speeds up suddenly, the passenger sitting in the bus lean backward. This is because of _______?

When a bus starts and speeds up suddenly, the passenger sitting in the bus lean backward. This is because of _______?

جب بس شروع ہوتی ہے اور اچانک تیز ہوجاتی ہے تو ، بس میں بیٹھا مسافر پیچھے کی طرف دب جاتا ہے۔ یہ _______ کی وجہ سے ہے؟
Explanation
  • Inertia of rest states that an object at rest tends to stay at rest unless acted upon by an external force.
  • When the bus suddenly starts moving, the passenger's body resists motion, causing them to lean backward.