Force Types of Forces Gravity Mass and Weight

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

What is force? Pull Push

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

Types of Forces: Contact Force Tension Pull Friction Normal Force

Types of Forces: Contact Force Upthrust Drag

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

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

Types of Forces: Non-Contact Force Weight Gravitational Force

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

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

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

Mass versus Weight • Gravitational force on the object • Unit: Newton, N • Equal to mass x acceleration due to gravity W=mxg Where g = 9. 81 ms-2 • Changes with location

Types of Forces: Non-Contact Force Electrical Force

Types of Forces: Non-Contact Force Magnetic Force

Weight Normal force Weight Air resistance

Weight Drag Friction Thrust Normal Force

Weight Drag Thrust Upthrust