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PhysSept28

# PhysSept28 - attraction between masses Measured with the...

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September 28 Physics

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In: Draw a free-body diagram of a car slowing down to a stop.
Objective: To test Newton’s 2 nd law. Success criteria: Complete the lab and conclusion

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Newton’s second law: F=ma
Lab: Newton’s 2 nd Law What is the relationship between the force an object receives and the acceleration of the object?

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Mass of cart: .775 kg
Mass of cart: 1.275 kg

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Finish lab

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Two definitions of mass Inertial mass F=ma Measured by the force it takes to change motion
Gravitational mass: measures the force of

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Unformatted text preview: attraction between masses. Measured with the force of gravity on a scale They appear to be the same thing This is why all objects fall at the same rate. Einstein put them together in the General Theory of Relativity Synthesis I own/ I don’t Out: A shopping cart slams into your car. It has a mass of 20 kg, and decelerates at 200 m/s 2 as it hits your car. How much force does it give to your car door?...
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PhysSept28 - attraction between masses Measured with the...

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