Science & Technology·Prelims Questions

Laws of Motion — Prelims Questions

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Version 1Updated 9 Mar 2026

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Q1medium

A person is standing on a weighing machine in an elevator. If the elevator cable suddenly breaks, what would be the reading on the weighing machine?

Q2easy

Which of the following statements correctly describes Newton's Third Law of Motion?

Q3hard

Consider the following statements regarding the application of Newton's Laws in everyday life: 1. A passenger is pushed backward when a bus suddenly starts due to inertia of rest. 2. Airbags in cars reduce injury by decreasing the time of impact during a collision. 3. A rocket lifts off due to the action of expelled gases pushing against the ground. Which of the statements given above is/are correct?

Q4medium

A satellite is orbiting Earth in a stable circular orbit. Which of Newton's Laws primarily explains why it continues to move without needing continuous propulsion?

Q5medium

An object of mass 'm' is acted upon by two forces: F1 = 10 N to the East and F2 = 6 N to the West. If the object accelerates at 2 m/s² to the East, what is its mass 'm'?