We began this module by discussing that, even today, Voyager 1 is travelling at more than 60,000 km/h, without using any fuel. The concept of Inertia explains how this is possible.

As Voyager 1 is in mostly empty space, there is very little force acting on it. It was launched at a high speed, and it initially burnt a lot of fuel to increase its speed. When it passed a few planets, their gravity increased its speed further. But, after that, Voyager 1 has experienced very little external force. So, it can continue to travel at such high speeds until it collides with another object, or experiences the gravitational force of some star/planet.


We are constantly trying to make the modules better and more exciting. Please leave us your feedback here. We take your feedback very seriously. Thanks!

Overall: What did you think of the module?
Ease: How easy was the module?
Text: How did you like the textual content?
Very Bad
Animations: How did you like the animations?
Very Bad
Length: How long did the module feel?
Very Long
Very Short
Next Module

Check out the next module in this series! Newton's Laws Of Motion 2