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The magnitude of the resultant of two ve...

The magnitude of the resultant of two vectors is ……………………………………..When they act in the same direction and is ……………………………………….. When they act in opposite direction.

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Knowledge Check

  • Two trains 100 metres and 95 metres long respectively pass each other in 27 seconds when they run in the same direction and in 9 seconds when they run in the same direction and in 9 seconds when they run in opposite directions. Speed of the two trains are

    A
    44km/hr, 22km/hr
    B
    52km/hr, 26km/hr
    C
    36km/hr, 18 km/hr
    D
    40km/hr, 20km/hr

  • The maximum and minimum magnitude of the resultant of two vectors are 17 units and 7 units respectively. Then the magnitude of the resultant of the vectors when they act perpendicular to each other is :

    A
    14
    B
    16
    C
    18
    D
    13

  • The greatest and least magnitudes of the resultant of two forces of constant magnitudes are F and G. When the forces act at an angle 2alpha , the resultant in magnitude is equal to

    A
    `sqrt""(F^(2) cos^(2) alpha + G^(2) sin^(2) alpha)`
    B
    `sqrt""(F^(2 ) sin^(2) alpha + G^(2) cos^(2) alpha)`
    C
    `sqrt""(F^(2) + G^(2))`
    D
    `sqrt""(F^(2)-G^(2))`

    • Similar Questions

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    Find the magnitude and direction of the resultant of two vectors A and B in the terms of their magnitudes and angle theta between them.

    What will be the resultant force when two forces act in opposite directions on an object?

    What happens when force acting on an object are in opposite direction and equal?

    The maximum and minimum magnitudes of the resultant of two vectors are 23 units and 7 units respectively. If these two vectors are acting at right angles to each other, the magnitude of their resultant will be

    When two forces act in opposite directions, then net force acting two forces :

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