Answer to Question #240734 in Physics for Pia

Question

Suppose you are helping a friend transfer from one residence to another and your friend asks you to stand in the rear truck to hold a piano from an inclined plane. Explain why you should decline the request of your friend. The answer should indicate your understanding of Galileo and the First law of Motion.

Answer 1

Because the inertia that the piano acquired would hurt me: according to the first law of motion, bodies keep their state of motion (rest or motion at constant velocity) unless unbalanced forces act on them.