Machines
8. which states that a change in pressure at any point in a fluid in a closed container is transmitted equally and unchanged in all directions throughout the fluid?
newton's principle
o archimedes' principle
d heat
pascal's principle
bernoulli's principle
and
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1: 42 pm

i think the answer would be b

think its the third option

the box does not move because you need to use a force greater than 300 n. you are only using 50 n. it needs to at least be 301 n for the box to move because then it is an unbalanced force and it will move the way that the greater force is pushing it. if you use only 300 n it will be a balanced force and will not move because the force you are exerting on the   box is the same as its force.

hope this !

im sorry if i went too in depth, i am going to include a link to a video on khan academy that will explain this.   hope that you like the video and that it explains more in detail to you.

that is the link.