AQA GCSE Physics Gravity

Resources

• The AQA GCSE Physics specification is always a very good place to start. Page 44 for this topic. 
• The BBC Bitesize website is also a user-friendly website for GCSE Physics. 

Questions

1. What is weight? 
2. What is the force of gravity close to the Earth due to? 
3. What does the weight of an object depend on? 
4. Write down an equation to calculate the weight of an object. 
5. What are the units of gravitational field strength and what does it mean? 
6. What is meant by the object’s centre of mass? 
7. What is the mathematical relationship between the weight of an object and its mass? 
8. What device can be used to measure the weight of an object? 
9. What is the mathematical expression for proportionality?