423
Lesson 423 of 500 · Extra Passages
⭐ 30 XPNewtons Laws Intro
📖Story Brief #423
Sir Isaac Newton's laws of motion describe how objects move and interact with forces.
🎯 Your mission
Read it. Think it. Answer it.
⚡ The twist
Slow down. The first answer that pops up isn't always the right one.
Read this passage
Highlight speedNormal
Sir Isaac Newton's laws of motion describe how objects move and interact with forces. The first law, also known as the law of inertia, states that an object at rest will stay at rest, and an object in motion will stay in motion unless acted upon by a force. For example, if you slide a book across a table, it eventually stops because of friction, a force acting against it. The second law explains how the speed of an object changes when a force is applied. It can be summed up with the formula F=ma, which means force equals mass times acceleration. This means that heavier objects require more force to move. The third law states that for every action, there is an equal and opposite reaction. For instance, when you jump off a small boat, you push the boat backward while you move forward. Together, these laws help us understand the motion of everything around us.
Check Your Understanding
Question 1
1 of 2What does Newton's first law of motion state?
🏆
Stretch Challenge
Try this in real life this week.
Read for 10 minutes today — anything you want.
👨👩👧
For the dinner table
“What's one thing you read today that surprised you?”
🎯
Next Smart Lesson
We'll pick a lesson that matches exactly how well you're reading right now.
📄Share card
Share this lesson
Send it to a parent or fellow reader. 5 minutes is all it takes.
🖨️View in Shop
Checkout complete lesson on Extra Passages for 7th Grade
Get the full Extra Passages track as a printable PDF — all lessons, worksheets, and answer keys.