Question

question 48 the measure of how much matter an object has is its mass question 49 when all parts of the body move the same distance, in the same direction, and at the same time is known as translational motion

Explanation:

Question 48: Mass is the measure of the amount of matter in an object. It is a fundamental physical property.
Question 49: When all parts of a body move the same distance, in the same direction, and at the same time, it is called translational motion.

Answer:

Question 48: Mass
Question 49: Translational