Please help with this question​

According to

The Newton's 3rd law states that for every action there is an equal and opposite reaction.

So

downward force=650N

upward force=-650N

since force never be negative :So

650 is a required answer.

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

the higher the current the higher the mag field around it the higher the influence on the compass