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

2. What is force?
Pull
Push

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

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

5. Types of Forces: Contact Force
Upthrust
Drag

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

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

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

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

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

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

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

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

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

15. Weight
Weight
Normal force
Air resistance

16. Weight
Thrust
Drag
Friction
Normal Force

17. Weight
Thrust
Drag
Upthrust