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  • IMAT 2015 Q56 Physics and Mathematics

  • Nicolas Sanchez

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    June 22, 2021 at 5:22 am
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    The diagram shows a car of mass 1000 kg traveling at a constant speed of 30 m/s in the direction shown along a flat, level road which forms a circle of radius 50 m.

    [See diagram below on the left]

    Which row in the table gives both the magnitude of the resultant force on the car and the direction of the acceleration of the car at the instant shown?

    [See table below on the right]

    A. row 1

    B. row 2

    C. row 5

    D. row 3

    E. row 4

  • MANISH MULCHANDANI

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    July 29, 2021 at 11:54 pm
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    Answer= D

    For this question, you should know the concept of Centripetal Force.

    It is the force which causes a change in direction of velocity towards the center of the circular motion.

    Its given by- Fc=mv^2/r

    where, Fc= Centripetal force

    m= mass

    v= velocity

    r= radius

    Put the value in above formula and you will get required force.

    As force is towards center, so it will be directed towards R.

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