Because In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity.
Answer: I think you said what is in numerical form four and nine tenths less than the product of a number by six is not more than eighteen and one eighth.