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A body subjected to three concurrent for...

A body subjected to three concurrent force is found to be in equilibrium. The resultant of any two force

A

is equal to third force.

B

is oposite to third force

C

is collinear with the third force

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
D
For equilibrium under the effect of the three concurrent force all the properties mentioned are required.
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Knowledge Check

  • Assertion : A body subjected to three concurrent forces cannot be in equilibrium. Reason : If large number of concurrent forces acting on the same point, then the point will be in equilibrium, if sum of all the forces is equal to zero.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion
    C
    If assertion is true but reason is false.
    D
    If assertion is fa lse but reason is true.

  • A body is said to be in equilibrium if all the forces acting on it

    A
    are in the same direction
    B
    are equal in magnitude
    C
    have zero resultant
    D
    can be arranged in pair

  • Which of the following sets of concurrent force may be in equilibrium?

    A
    `F_(1)=3` `N` , `F_(2)=5` `N` , `F_(3)=9` `N`
    B
    `F_(1)=3` `N` , `F_(2)=5` `N` , `F_(3)=1` `N`
    C
    `F_(1)=3` `N` , `F_(2)=5` `N` , `F_(3)=19` `N`
    D
    `F_(1)=3` `N` , `F_(2)=5` `N` , `F_(3)=6` `N`
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