Mass and weight are similar, but not the same thing. in which of the following examples would the objects weight change, but mass stay the same? a. a child grows taller b. a person goes on a medical diet. c. an astronaut travels from the earth to the moon d. a snowball rolls downhill and picks up snow making it grow

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The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

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].