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NCERT Textbook: Motion in a Plane | Science & Technology for UPSC CSE PDF Download

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FAQs on NCERT Textbook: Motion in a Plane - Science & Technology for UPSC CSE

1. What is motion in a plane?
Ans. Motion in a plane refers to the movement of an object in a two-dimensional space. It involves both linear motion along a straight line and curved motion in different directions within a plane.
2. What are the types of motion in a plane?
Ans. There are two types of motion in a plane: uniform motion and non-uniform motion. Uniform motion occurs when an object covers equal distances in equal intervals of time, while non-uniform motion occurs when an object covers unequal distances in equal intervals of time.
3. How is velocity in a plane calculated?
Ans. Velocity in a plane is calculated by determining the rate of change of displacement with respect to time. It is a vector quantity that includes both the magnitude (speed) and direction of an object's motion.
4. What is projectile motion?
Ans. Projectile motion is a type of motion in a plane where an object is launched into the air and moves along a curved trajectory under the influence of gravity. It consists of two independent motions: horizontal motion at a constant velocity and vertical motion under the force of gravity.
5. Can an object have constant speed but changing velocity in a plane?
Ans. Yes, an object can have a constant speed but changing velocity in a plane. This can occur when the object moves along a curved path, as velocity is a vector quantity that takes into account both speed and direction. If the direction of motion changes, even if the speed remains constant, the velocity will change.
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