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Can the speed of a body will be negative...

Can the speed of a body will be negative ?

Text Solution

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No, because the speed of an object is the distantce travelled by onject in unit time and distance can never be begative.
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Knowledge Check

  • Assertion- The speed of a body can be be negative. Reason- If the body is moving in the opposite direction of positive motion, then its speed is negative.

    A
    both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
    B
    both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
    C
    Assertion is true but the Reason is false.
    D
    both Assertion and Reason are false.

  • Statement-I : The speed of a body can be negative. Statement-II : If the body is moving in the opposite direction of positive motion, then its speed is negative.

    A
    Statement-I is true, Statement-II is true, Statement-II is correct explanation for Statement-I
    B
    Statement-I is true, Statement-II is true, Statement-II is NOT a correct explanation for Statement-I
    C
    Statement-I is true, Statement-II is false
    D
    Statement-I is false, Statement-II is true.

  • The ratio of the speed of a body to the speed of sound is known as

    A
    refractive index
    B
    mach number
    C
    relative density
    D
    none of these

    • Similar Questions

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    (a) What is the cause of kinetic energy possessed by a body? (b) can kinetic energy of a body ever be negative?

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    The instantaneous speed of a body can be measured:-

    Can the instantaneous power output of an ac source ever be negative ? Can the average power output be negative ?

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