1. Force Types of Forces Gravity, Mass and Weight Effects of Forces

2. What is force? Push Pull

3. An interaction between two masses Common symbol: F Unit: Newton, N May the Force be with you.

4. Types of Forces: Contact Force Pull Normal Force Friction Tension

5. Upthrust Drag Types of Forces: Contact Force

6. Replace it with your original text. Thrust Types of Forces: Contact Force

7. Replace it with your original text. Thrust Lift Types of Forces: Contact Force

8. Weight Gravitational Force Types of Forces: Non-Contact Force

9. Region of space around a body How can gravitational force act without contact?

10. Replace it with your original text. Thrust Gravitational force acts within the gravitational field

11. Mass versus Weight MassMass –Amount of matter in an object –unit: kilogram, kg –Does not change with location

12. Mass versus Weight Weight Weight Gravitational force on the object Gravitational force on the object Unit: Newton, N Unit: Newton, N Equal to mass x acceleration due to gravity Equal to mass x acceleration due to gravity W = m x g Where g = 9.81 ms -2 Changes with location Changes with location

13. Types of Forces: Non-Contact Force Electrical Force

14. Types of Forces: Non-Contact Force Magnetic Force

15. Weight Normal force Weight Air resistance

16. Weight Normal Force Drag Friction Thrust

17. Weight Upthrust Drag Thrust