Chapter 4: Mass, Weight & Density

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Chapter 4: Mass, Weight & Density by Mind Map: Chapter 4: Mass, Weight & Density

1. - Mass is an object that has matter - Unit is: g, Kg, mg - Use a balance to measure mass -Measured using a beam balance

2. - It is the gravitational pull per unit mass in an object because the mass of the Earth is higher than the mass of Mars that is why gravitational pull on Earth is higher - Earth will be attracted to the Sun because the gravitational pull on Earth is lower -Gravitational field strength = Acceleration due to gravity

3. - Definition: The weight of an object is usually taken to be the force on the object due to gravitational force. - Weight is the product of mass and gravitational force. - Weight is a scalar quantity. - In a state of free fall, the weight would be zero. - SI unit is N (Newton). -Measured using Spring balance, compression balance

4. - It is the extension of Newton’s first law (if smtg is stationary, it will remain stationary forever) which has mass - Lesser mass, lesser inertia, more mass, the more inertia

5. Mass

6. Inertia

7. Weight

8. Gravitational Field Strength

9. Weight = mass x gravitation field strength