Three people are trying to move a box. Which set of forces will result in a net force on the box of 20 N to the left?

push force gravity tension and reverse force

Explanation: sense they are pushing the box there is a push force gravity because this is likely on earth tension because it is the reverse of gravity and the reverse force because you have to have the reverse of push

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation:

b.transmitters send radio waves, and receivers capture radio waves.