An object with a mass of 20 kg has a net force of 80 N acting on it. What is the acceleration of the object? O 0.25 m/s2
O 4 m/s2
O 60 m/s2
O 100 m/s2
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b.transmitters send radio waves, and receivers capture radio waves.

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.