Chapter 7 of 28
Syllabus
Laws of Motion — Syllabus
BITSAT · Physics
Topics covered in Laws of Motion for BITSAT Physics. Understand the syllabus structure and key areas to focus on.
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Topics covered in Laws of Motion for BITSAT Physics.
Topics in Laws of Motion
1
Introduction and Galileo's Contributions
- External force is needed to start or stop motion, but not to maintain uniform motion
- Aristotle's fallacy: believed external force was required to keep a body in motion
- Galileo's experiments with inclined planes proved objects on frictionless surfaces move with constant velocity
2
Newton's First Law of Motion
- A body at rest remains at rest, and a body in uniform motion continues in uniform motion unless acted upon by net external force
- Also known as the Law of Inertia
- Inertia is directly proportional to mass of the body
3
Momentum and Newton's Second Law
- Momentum is the product of mass and velocity: p = mv
- Rate of change of momentum equals applied force: F = dp/dt
- For constant mass: F = ma (most common form)
4
Newton's Third Law and Pseudo Forces
- For every action, there is an equal and opposite reaction
- Action-reaction pairs act on different bodies, so they don't cancel each other
- Forces always exist in pairs, never in isolation
Key Concepts
Inertia is the property of matterNewton's Second Law states thatFor every actionWhen no external force acts onFriction opposes relative motion between surfaces
Frequently Asked Questions
What topics are covered in Laws of Motion for BITSAT?
Laws of Motion is an important chapter in BITSAT Physics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Introduction and Galileo's Contributions, Newton's First Law of Motion, Momentum and Newton's Second Law, Newton's Third Law and Pseudo Forces.
How important is Laws of Motion for BITSAT?
Laws of Motion is a frequently tested chapter in BITSAT Physics. Questions from this chapter appear regularly in previous year papers. There are 235 practice questions available for this chapter.
How to prepare Laws of Motion for BITSAT?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.
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