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Physics is one of the most crucial subjects in the MDCAT entry test, and mastering each chapter is the key to success. Among the important topics, Chapter 3: Rotational and Circular Motion holds special significance because it introduces students to the concepts of motion in a circular path, angular quantities, and rotational dynamics.
At TaleemToday.com.pk, we provide MDCAT Physics chapter-wise MCQ tests with answers so that students can prepare systematically and achieve high scores. This article covers:
- Importance of Rotational and Circular Motion in MDCAT Physics
- Key topics and formulas from Chapter 3
- Preparation strategies for this chapter
- 50 MCQs with answers for practice
Why Study Rotational and Circular Motion for MDCAT?
Rotational and Circular Motion is an application-based chapter where many MDCAT questions come directly from formulas and conceptual understanding. Students must be familiar with angular motion quantities, centripetal force, and moment of inertia to score well.
📌 Weightage in MDCAT Physics: On average, 4–5 MCQs are asked from this chapter every year.
📌 Difficulty level: Moderate – requires conceptual clarity and formula memorization.
📌 Scoring potential: Very high if you practice MCQs regularly.
Topics in MDCAT Physics Chapter 3 (Rotational and Circular Motion)
The official MDCAT Syllabus 2025 includes the following areas under this chapter:
- Angular Quantities
- Angular displacement (θ)
- Angular velocity (ω)
- Angular acceleration (α)
- Relation between linear and angular motion
- Centripetal Force and Acceleration
- Centripetal acceleration = v² / r
- Centripetal force = mv² / r
- Examples of circular motion in daily life
- Torque and Rotational Dynamics
- Torque (τ = r × F)
- Moment of inertia (I)
- Rotational kinetic energy (½ Iω²)
- Work and power in rotational motion
- Laws of Motion in Circular Motion
- Newton’s laws applied in circular paths
- Banking of roads
- Motion in vertical circles
- Conservation of Angular Momentum
- Angular momentum (L = Iω)
- Law of conservation of angular momentum
- Applications (ice skater spin, planets in orbit)
Formula Sheet for Quick Revision
Here are some important formulas you must memorize for Chapter 3:
- Angular velocity: ω = θ / t
- Relation between linear and angular: v = rω
- Centripetal acceleration: a = v² / r = rω²
- Centripetal force: Fc = mv² / r = mrω²
- Torque: τ = r × F = rF sinθ
- Rotational kinetic energy: K.E = ½ Iω²
- Angular momentum: L = Iω
👉 Tip: Make a flashcard of these formulas for quick daily revision.
Preparation Tips for Rotational and Circular Motion
To prepare effectively for Chapter 3:
- ✅ Understand concepts instead of rote memorization. For example, why centripetal force acts towards the center.
- ✅ Practice numerical MCQs daily to improve calculation speed.
- ✅ Learn unit analysis because many MDCAT questions are unit-based.
- ✅ Attempt chapter-wise MCQs online to simulate exam conditions.
- ✅ Revise past paper questions for this chapter.
Benefits of Practicing MDCAT Chapter 3 MCQs
- ✅ Improves understanding of formulas and applications
- ✅ Boosts numerical solving skills
- ✅ Helps in time management during exam
- ✅ Ensures complete coverage of PMDC syllabus
- ✅ Builds confidence for the real MDCAT exam
Final Words
Chapter 3: Rotational and Circular Motion is a highly important part of MDCAT Physics. By practicing 50+ solved MCQs with answers, students can strengthen their concepts, enhance problem-solving skills, and secure high marks in the test.
At TaleemToday.com.pk, we provide MDCAT Physics Chapter-wise Online Tests with Answers for all students. Start your MDCAT Physics Chapter 3 MCQ Test (Rotational and Circular Motion) now, assess your preparation level, and boost your chances of success in MDCAT 2025.