A body is at rest under the action of three forces, P two of which ...

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A body is at rest under the action of three forces,
P two of which are \( \vec{F}_{1}=4 \hat{i}, \vec{F}_{2}=6 \hat{j} \), the third force is

W.
(1) \( 4 \hat{i}+6 \hat{j} \)
(2) \( 4 \hat{i}-6 \hat{j} \)
(3) \( -4 \hat{i}+6 \hat{j} \)
(4) \( -4 \hat{i}-6 \hat{j} \)
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