making forces fun
Texte du Storyboard
- That’s because of gravity!
- Why does the milk fall into the bowl when I pour it?
- What’s gravity?
- Gravity is the force that keeps us stuck to the ground along with other masses.
- Gravity is the force that attracts two masses together. In this case, the milk is pulled down into the bowl by gravity.
- I’ve been trying to kick this soccer ball really far, but it just slowly rolls to a stop.
- That’s because of rolling friction!
- Gravity is the force that attracts two masses together. In this case, the milk is pulled down into the bowl by gravity.
- What’s rolling friction?
- It’s the force between two objects when one is rolling.
- Rolling friction is the friction or force between a rolling object and the surface it’s rolling on. In this case, the soccer ball is rolling on the ground which stops the ball from rolling infinitely.
- Rolling friction is the friction or force between a rolling object and the surface it’s rolling on. In this case, the soccer ball is rolling on the ground which stops the ball from rolling infinitely.
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