Which example best demonstrates how unbalanced forces change the speed of an object's motion? A) A child on a bicycle braking at a stop sign. B) A child singing a song. C) A child sitting in a chair reading a book. D) A child walking around the corner of a school hallway.

Question

Kaylee Mccann

Physics

20 January, 14:11

Which example best demonstrates how unbalanced forces change the speed of an object's motion? A) A child on a bicycle braking at a stop sign. B) A child singing a song. C) A child sitting in a chair reading a book. D) A child walking around the corner of a school hallway.

+1

Answers (2)

Know the Answer?

Lacey Freeman · Answer 1

I think that it is a: a child on a bicycle braking at a stop sign.

Donna Mack · Answer 2

A) A child on a bicycle braking at a stop sign.

Explanation:

The child is applying the brakes to dramatically slow down the movement of his body, which couldn't be done without the bike. The bike is acting the same as a car would to us, it propels us and is capable of slowing down or stopping our motion whenever we need.