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In this activity, we will be learning all about friction.
Friction - the force - acts all around us whenever surfaces rub together.
Friction can be useful, and it can also be very unhelpful.
Smooth surfaces and streamlined shapes reduce friction.
Rough surfaces and lumpy, awkward shapes increase friction.
Increasing the area of the surfaces that rub together also increases the size of the force.
In this activity, you will be asked some questions on friction. Let's see what you can remember!
You can look back at this introduction at any point by clicking on the red help button on the screen.
Want a bit more help with this before you begin? Why not watch this short video?
