18. The gravitational force exerted by the earth on the smaller moon a) is greater than the force exerted by the moon on the earth b) is the same in

18. The gravitational force exerted by the earth on the smaller moon

a) is greater than the force exerted by the moon on the earth

b) is the same in magnitude as the force exerted by the moon on the earth

c) is less than the force of the moon on the earth

d) cannot be compared since it constantly changes