Science Project Newtons Laws
Updated: 3/26/2020
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#### Storyboard Text

• Of course, Michelle, let's go outside & bring your brother Peter out too.
• Hey Mom, can you help me with my homework? It's on Newtons 1st and 2nd laws.
• So Newton's 1st law or the Law of Inertia states that an object will stay in motion or stay still unless changed by an outward force.
• An object's Inertia is it's a ability to remain unchanged.
• Let's experiment with 2 rocks.
• Objects with more mass tend to have more inertia.
• Both of you try to carry your rock. As you can see Peter is able to move his rock and Michelle isn't able to.
• Parker's rock doesn't have enough inertia to stay in the same spot.
• Michelle's rock has a lot more inertia because her rock is harder to carry.
• Also in this case you guys are the outward force.
• Friction is a force that resists motion on a surface.
• See when I kick this ball it stays in motion and in the same speed, until friction acts upon it.
• The Ball's inertia isn't enough to resist the friction of the ground..
• Our last example is here. This ball is at rest.
• At rest
• When I kick it, the ball is no longer at rest and is now in motion.
• The inertia of the ball couldn't wasn't strong enough to resist the force from my foot.