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If the instantaneous velocity of a parti...

If the instantaneous velocity of a particle is zero, will its instantaneous acceleration be necessarily zero

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No. (highest point of vertical upward motion under gravity)
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What is instantaneous velocity?

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Knowledge Check

  • The instantaneous velocity of a body can be measured

    A
    Graphically
    B
    Vectorially
    C
    By speedometer
    D
    None of these

  • If vec(u) is instantaneous velocity of particle and vecv is velocity of wave , then

    A
    `vec(u)` is perpendicular to ` vec(v)`
    B
    `vec(u)` is parallel to ` vec(v)`
    C
    `|vec(u)|` is equal to ` |vec(v)|`
    D
    `|vec(u)|`= ( slope of wave from ) `| vec(v)|`

  • In the following questions a statement of assertion (A) is followed by a statement of reason ( R). A: Unifrom circular motion is accelerated motion stil speed remains unchanged . R: Instantaneous velocity is always normal to instantaneous acceleration in uniform circular motion.

    A
    If both Assertion & Reason are true and the reason is the correct explanation of the assertion then mark (1) .
    B
    If both Assertion & Reason are true but the reason is not the correct explanation of the assertion then mark (2)
    C
    If Assertion is true statement but Reason is false then mark (3).
    D
    If both Assertion and Reason are false statements then mark (4) .

    • Similar Questions

    Explore conceptually related problems

    A particle is moving in a straight line. All the physical quantities are to be measured in MKS system. Square of the magnitude of its instantaneous velocity is found to be ten times its instantaneous displacement . What is the acceleration of the particle?

    If the total mechanicla energy of a particle is zero is its linear momentum necessarily zero? Is it necessarily nonzero?

    Give examples where a. the velocity of a particle is zero buts its acceleration is not zero. b.the velocity is opposite in direction to the acceleration, c. the velocity is perpendicular to the acceleration.

    Assertion: The average velocity of a particle is zero in a time interval. It is possible that the instantaneous acceleration is never zero in the interval. Reason: The magnitude of average velocity in an interval is equal to its average speed in that interval.

    Assertion : We know the relation a = v. (dv)/ds . Therefore, if velocity of a particle is zero, then acceleration is also zero. Reason : In the above equation, a is the instantaneous acceleration.

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