Let's use the given equation, F = ma, to find out the force of each of the objects given.
A) F = 5 x 10 = 50 N
B) F = 5 x 20 = 100 N
C) F = 20 x 4 = 80 N
D) F = 20 x 3 = 60 N
The object with the greatest force is object B, with a force of 100 N.
Hope this helps! :)
