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# NCERT Solutions for Class 11 Physics Chapter 4 Free PDF Download

## NCERT Solutions for Class 11 Physics Chapter 4 – Motion in a Plane

NCERT Solutions for Class 11 Physics Chapter 4 will strengthen student’s ability to grasp this chapter of Physics. It will help students to apply the conceptual knowledge in an easy way of solving the problems given in the chapter. Our expert teachers of Physics are always working hard for the subject to give the best NCERT Solutions.

NCERT Solutions for Class 11 Physics Chapter 4 Motion in a Plane is extremely helpful in completing the syllabus and getting a better level of understanding. It gives step by step solution for every question of exercise and helps students to do their homework in an easy way.

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### CBSE Class 11 Physics Chapter 4 – Motion in Plane NCERT Solutions

NCERT Solutions for Class 11 Physics Chapter 4 Motion in a Plane provides the answers to the questions from the textbook. Also, it will give answers to important questions from previous year question papers. The different types of problems and examples will help the student to get strong concepts of the motion. Motion in a plane is a very important chapter in CBSE class 11 physics. Students must prepare this chapter well to score well in their board examination.

### Subtopics covered under NCERT Solutions for Class 11 Physics Chapter 4

• 4.1: Introduction
• 4.2: SCALARS AND VECTORS
• 4.2.1: Position and Displacement Vectors
• 4.2.2: Equality of Vectors
• 4.3: MULTIPLICATION OF VECTORS BY REAL NUMBERS
• 4.4: ADDITION AND SUBTRACTION OF VECTORS — GRAPHICAL METHOD
• 4.5: RESOLUTION OF VECTORS
• 4.6: VECTOR ADDITION – ANALYTICAL METHOD
• 4.7: MOTION IN A PLANE
• 4.7.1: Position Vector and Displacement
• 4.8: MOTION IN A PLANE WITH CONSTANT ACCELERATION
• 4.9: RELATIVE VELOCITY IN TWO DIMENSIONS
• 4.10: PROJECTILE MOTION
• 4.11: UNIFORM CIRCULAR MOTION

### NCERT Solutions for Class 11 Physics Chapter 4

NCERT Solutions for Class 11 Physics Chapter 4 Motion in a Plane helps students to understand this fundamental chapter of Physics. In our daily life, we encounter various object with oscillatory motions. This planer motion is a very interesting topic in physics. Students will come to know about various terms and equations for planer motion in a 2-D plane.

Let us discuss the sub-topics in detail.

4.1: Introduction:

In this chapter, the student will study the oscillatory motion and its equations with properties.

4.2: SCALARS AND VECTORS:

In physics, we can categorize quantities as scalars or vectors. A vector quantity is having both magnitude and direction.

4.2.1: Position and Displacement Vectors:

Position and displacement both are the vector quantities.

4.2.2: Equality of Vectors:

Two vectors may be equal. It is possible when their magnitude and direction both are same.

4.3: MULTIPLICATION OF VECTORS BY REAL NUMBERS:

Multiplication of a vector by a real number will increase its magnitude without changing its direction.

4.4: ADDITION AND SUBTRACTION OF VECTORS — GRAPHICAL METHOD:

The student will learn the methods two add and subtract two vectors by using the graphical method. Vectors will follow the law of parallelogram.

4.5: RESOLUTION OF VECTORS:

The student will study that they can resolve a given vector into two component vectors along with a set of two vectors all in the same plane.

4.6: VECTOR ADDITION – ANALYTICAL METHOD:

Vector addition is also possible by analytical methods. It is easier to add vectors by combining their respective components.

4.7: MOTION IN A PLANE:

The student will see how to describe motion in two dimensions using vectors.

4.7.1: Position Vector and Displacement:

The position vector of a particle located in a plane with reference to the origin of an x-y reference frame.

4.8: MOTION IN A PLANE WITH CONSTANT ACCELERATION:

An object is moving in the x-y plane and its acceleration is constant, then over an interval of time, the average acceleration will give the equation of motion.

4.9: RELATIVE VELOCITY IN TWO DIMENSIONS:

In this section, the student will study the concept of relative velocity, for motion along a straight line. Also, they will learn to extend as motion in a plane or in three dimensions.

4.10: PROJECTILE MOTION:

An object that is in flight after throwing it, is called a projectile. The student will study the projectile motion and its equation.

4.11:  UNIFORM CIRCULAR MOTION:

When an object follows a circular path at a constant speed then the motion of the object will be uniform circular motion.

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