friction
نص القصة المصورة
- This is sliding friction the brick is rubbing on a piece of paper.
- Hello class. where talking about types of friction.
- Next friction can be static. Objects are not moving just like me I'm standing up.
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- Next friction can be rolling rolling. When one surface rolls over another surface like the ball is rolling.
- The last type of friction is fluid. The moving submarine under the water is an example of fluid friction.
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