The mass of earth is 81 times the mass of the moon. Using Newton’s Law of Gravity what would the affect of gravitation be if the mass of the moon were doubled and the distance was also doubled? A. 1/4 the gravitational attraction

B. twice the gravitational attraction

C. Half the gravitational attraction

D. 4 times the gravitational attraction

The scalar triple product computes the magnitude m of the moment of a force vector f about a specified line. it is m = (r × f) · n, where r is the position vector from the line to the point of application of the force and n is a unit vector in the direction of the line. use matlab to compute the magnitude m for the case where f = [12, −5, 4] n, r = [−3, 5, 2] m, and n = [6, 5, −7].