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CBSE Class 11 Physics NCERT Solutions: Chapter 3, Motion in a Straight Line

Sep 19, 2018 09:29 IST
    Motion in a Straight Line: NCERT Solutions
    Motion in a Straight Line: NCERT Solutions

    For all the questions given in CBSE Class 11 Physics NCERT book we have collated detailed and accurate answers that will help students learn the right technique to write perfect answers in the annual exams and get optimum marks.

    In this article we are providing the NCERT solutions for Class 11 Physics chapter 3, Motion in a Straight Line. Our subject experts have reviewed these NCERT solutions to provide the error free content which will make it easy for you to make an effective preparation for the annual exams.

    All the class 11 Physics NCERT solutions have been collated as PDF format which students may easily download free of cost. 

    Main topics discussed in Class 11 Physics chapter- Motion in a Straight Line are:

    • Position, path length and displacement
    • Average velocity and average speed
    • Instantaneous velocity and speed
    • Acceleration
    • Kinematic equations for uniformly accelerated motion
    • Relative velocity. 

    CBSE Class 11 Physics Syllabus 2018 - 2019

    Some of the questions and their solutions from NCERT Solutions for Class 11: Motion in a Straight Line, are as follows:

    Q. In which of the following examples of motion, can the body be considered approximately a point object:

    (a) a railway carriage moving without jerks between two stations

    (b) a monkey sitting on top of a man cycling smoothly on a circular track.

    (c) a spinning cricket ball that turns sharply on hitting the ground.

    (d) a tumbling breaker that has slipped off the edge of a table.

    Ans. (a), (b)

    (a) The size of a carriage is very small as compared to the distance between two stations. Therefore, the carriage can be treated as a point sized object.

    (b) The size of a monkey is very small as compared to the size of a circular track. Therefore, the monkey can be considered as a point sized object on the track.

    (c) The size of a spinning ball is comparable to the distance throgh which it turns sharply on hitting the ground. Hence, the cricket ball cannot be considered as a point object.

    (d) The size of a breaker is comparable to the height of the table from which it slipped. Hence, the breaker cannot be considered as a point object.

    Download all the NCERT solutions for Class 11: Motion in a Straight Line, from the following link:

    Class 11 Physics NCERT Solutions: Motion in a Straight Line

      Recommended Video: Know all about educational Olympiads

    To get more of such important articles for CBSE Class 11, click here.

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