Forces are pushes or pulls that act on objects and... Show more
Physics48 views·Updated May 31, 2026·2 pagesUnderstanding Balanced and Unbalanced Forces
Jordyn Stewart@jordynstewart_zuxb
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Forces and Balance
Forces are pushes or pulls from one object onto another. They can cause movement or prevent it from happening. Some common forces include gravity (pulling down toward Earth's center), air resistance (pushing against moving objects), and applied forces (when a person or object directly pushes another).
When objects aren't falling through surfaces, that's because of normal force. This is the force that holds things in place against other forces like gravity. For example, normal force keeps your coffee mug on the table instead of falling to the center of Earth!
Balanced forces occur when two forces are equal in size but act in opposite directions on an object. When forces are balanced, objects either stay still or continue moving at the same speed and direction. A good example is a perfectly balanced scale with equal weights on both sides - it doesn't tip in either direction because the forces are balanced.
Think about it: Ever notice how a book stays put on your desk? That's balanced forces in action - gravity pulls down, while the normal force of the desk pushes up with exactly the same strength!
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Unbalanced Forces and Net Force
Unbalanced forces happen when forces acting on an object are not equal. When this happens, objects will change their motion - speeding up, slowing down, or changing direction. Examples include a scale tipping because one side is heavier, or a car accelerating around a curve.
The overall effect of all forces acting on an object is called the net force. This combined force determines whether an object will move and in what direction. Net force is measured in units called Newtons.
When thinking about forces in real life, consider what happens during a collision. Pressing the brakes before hitting a wall would help slow your momentum and reduce the impact. This works because applying the brake creates a force opposite to your motion, reducing the overall force of impact.
Try this: Imagine controlling bumper cars at different speeds and weights. You could test how changing direction repeatedly affects which car "wins" the bumper battle. This demonstrates unbalanced forces in a fun way!
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Physics48 views·Updated May 31, 2026·2 pagesUnderstanding Balanced and Unbalanced Forces
Jordyn Stewart@jordynstewart_zuxb
Forces are pushes or pulls that act on objects and can cause movement. Understanding how forces work helps explain why things move, stay still, or change direction in our everyday world. Let's explore the difference between balanced and unbalanced forces.
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Forces and Balance
Forces are pushes or pulls from one object onto another. They can cause movement or prevent it from happening. Some common forces include gravity (pulling down toward Earth's center), air resistance (pushing against moving objects), and applied forces (when a person or object directly pushes another).
When objects aren't falling through surfaces, that's because of normal force. This is the force that holds things in place against other forces like gravity. For example, normal force keeps your coffee mug on the table instead of falling to the center of Earth!
Balanced forces occur when two forces are equal in size but act in opposite directions on an object. When forces are balanced, objects either stay still or continue moving at the same speed and direction. A good example is a perfectly balanced scale with equal weights on both sides - it doesn't tip in either direction because the forces are balanced.
Think about it: Ever notice how a book stays put on your desk? That's balanced forces in action - gravity pulls down, while the normal force of the desk pushes up with exactly the same strength!
2
of 2Sign up to see the content. It's free!
- Access to all documents
- Improve your grades
- Join milions of students
Unbalanced Forces and Net Force
Unbalanced forces happen when forces acting on an object are not equal. When this happens, objects will change their motion - speeding up, slowing down, or changing direction. Examples include a scale tipping because one side is heavier, or a car accelerating around a curve.
The overall effect of all forces acting on an object is called the net force. This combined force determines whether an object will move and in what direction. Net force is measured in units called Newtons.
When thinking about forces in real life, consider what happens during a collision. Pressing the brakes before hitting a wall would help slow your momentum and reduce the impact. This works because applying the brake creates a force opposite to your motion, reducing the overall force of impact.
Try this: Imagine controlling bumper cars at different speeds and weights. You could test how changing direction repeatedly affects which car "wins" the bumper battle. This demonstrates unbalanced forces in a fun way!
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
Most popular content: Force
1Most popular content in Physics
9Most popular content
9Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.6/5App Store
4.7/5Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan SiOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha KlichAndroid user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
AnnaiOS user