3. MOTION IN A PLANE
The chapter outlines the essential concepts of motion in a plane, distinguishing between scalar and vector quantities, and showcasing how vectors can be added, subtracted, and multiplied. Key topics include motion under constant acceleration, projectile motion, and uniform circular motion, supported by a range of examples and exercises that illustrate these principles in action.
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Sections
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What we have learnt
- Scalar quantities have only magnitude, while vector quantities have both magnitude and direction.
- Vector addition can be performed using graphical methods, and it obeys both commutative and associative laws.
- Projectile motion and uniform circular motion are analyzed as two-dimensional motion involving vectors and acceleration.
Key Concepts
- -- Scalars
- Quantities that have only magnitude, such as mass, temperature, and distance.
- -- Vectors
- Quantities that have both magnitude and direction, such as displacement, velocity, and acceleration.
- -- Projectile Motion
- The motion of an object that is projected into the air, subject to the force of gravity, resulting in a parabolic path.
- -- Centripetal Acceleration
- The acceleration directed towards the center of a circular path that keeps an object moving in a circle.
Additional Learning Materials
Supplementary resources to enhance your learning experience.