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Consider a block of some mass initially at rest. Four forces, as shown in the image below, are applied to the block. Note: An angle of ${ 0 }^{ \circ }$ is to the right in the image. An angle of ${ 90 }^{ \circ }$ is straight up. An angle of ${ 180 }^{ \circ }$ is to the left. An angle of ${ 270 }^{ \circ }$ is straight down.

What is the net force acting on the box?

A

${ F }_{ net }=\dfrac { 2\sqrt { 2 } F }{ 3 }$ at ${ 45 }^{ \circ }$

B

${ F }_{ net }=\dfrac { 2\sqrt { 2 } F }{ 3 }$ at ${ 135 }^{ \circ }$

C

${ F }_{ net }=\dfrac { 4F }{ 3 }$ at ${ 45 }^{ \circ }$

D

${ F }_{ net }=\dfrac { 4F }{ 3 }$ at ${ 135 }^{ \circ }$

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