Balanced Force

Published on January 2, 2022 by

In this video, you are going to learn about balanced forces. Balanced forces are equal in size and opposite in direction. Consider a simple example of a book resting on a table. Do you think any forces are acting on the book? Yes! gravity pushing it down and friction (table) pushing it up – Both forces cancel each other’s effect. Hence balanced forces keep objects in one place. On the other hand, unbalanced forces can make an object at rest start moving, make a moving object stop, or change the direction and speed of the object. The liftoff of a space shuttle is a great example of an unbalanced force.

The video ends on a question- Is a statute a good example of balanced force? Think about it!

This video satisfies the 3-PS2-1 requirement for third-grade science proficiency.

Students who demonstrate understanding can:

3-PS2-1. Plan and conduct an investigation to provide evidence of the effects of balanced and unbalanced forces on the motion of an object.

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