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Laws of Motion — Study Plan

NIOS · Class 12 · Physics

A step-by-step study plan for Laws of Motion, NIOS Class 12 Physics: what to learn first, what to practise and when to revise.

44 questions35 flashcards13 formulas & key relations5 concepts

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Illustrations demonstrating the three types of inertia: inertia of rest, inertia of motion, and inertia of direction, using common real-world scenarios.
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One of 8 illustrations for Laws of Motion in Super Tutor — alongside flashcards, concept maps and practice questions.

Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas and key ideas. Focus on: 1. Concept of Inertia and Force, 2. Newton's First Law of Motion, 3. Linear Momentum and Newton's Second Law.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 44 questions available for this chapter.

3
Day 4

Revise & Test

Revise key points without looking at your notes. Take a practice quiz and mark weak areas for another pass.

4
Day 7

Spaced Revision

Come back to Laws of Motion after a week. Use flashcards for quick recall and try past exam questions on this chapter.

What to Focus On

  • Inertia is the tendency of a body to resist change in its state of rest or uniform motion.
  • Mass is the measure of inertia — greater mass means greater inertia.
  • Force is a vector quantity that can change shape, size, speed, or direction of motion.
  • Newton's First Law: A body stays at rest or in uniform motion unless acted upon by a net external force.
  • This law is also called the Law of Inertia.
  • Galileo's experiments with inclined planes provided the basis for this law.
  • Linear momentum p = mv is a vector quantity with SI unit kg m/s.
  • Newton's Second Law: F = dp/dt = ma (for constant mass).
  • 1 Newton = force producing 1 m/s² acceleration in 1 kg mass.

Common Mistakes to Avoid

A moving object needs a continuous force to keep moving at constant velocity

Action and reaction forces cancel each other out, so nothing can ever move

Heavier objects fall faster than lighter objects

Memory Tips

Newton's First Law — Law of Inertia

Three Newton's Laws in Order

Newton's Second Law — F = ma

Momentum p = mv

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Frequently Asked Questions

What are the important topics in Laws of Motion for NIOS Class 12 Physics?
Key topics in Laws of Motion include Concept of Inertia and Force, Newton's First Law of Motion, Linear Momentum and Newton's Second Law, Newton's Third Law and Conservation of Momentum. Study these first, then practise questions on each for the NIOS Class 12 board exam.
How should I revise Laws of Motion for the NIOS Class 12 board exam?
Learn the core ideas first, then work through the 44 practice questions on Laws of Motion. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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