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The behaviour of a body under zero resul...

The behaviour of a body under zero resultant force is given by

A

first law of motion

B

second law of motion

C

third law of motion

D

law of gravitation

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Two forces with equal magnitudes F act on a body and the magnitude of the resultant force is F /3. The angle between the two forces is

    A
    `cos^(-1)(-(17)/(18))`
    B
    `cos^(-1)(-(1)/(3))`
    C
    `cos^(-1)((2)/(3))`
    D
    `cos^(-1)((8)/(9))`

  • Two forces of 4 dyne and 3 dyne act upon a body . The resultant force on the body can be only be :

    A
    mare than 3 dyne
    B
    more than 4 dyne
    C
    between 3 and 4 dyne
    D
    between 1 and 7 dyne

  • Two forces, with equal magnitude F, act on a body and the magnitude of the resultant force is F/3 . The angle between the two forces is:

    A
    `cos^(-1)(-17/18)`
    B
    `cos^(-1)(-1/3)`
    C
    `cos^(-1) (2/3)`
    D
    `cos^(-1) (8/9)`

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