force types of forces gravity, mass and weight effects of forces
TRANSCRIPT
Force
Types of ForcesGravity, Mass and Weight
Effects of Forces
What is force?
Push
Pull
What is force?
An interaction between two massesCommon symbol: F
Unit: Newton, N
May the Force be with you.
Types of Forces: Contact Force
PullNormal Force
Friction
Tension
UpthrustDrag
Types of Forces: Contact Force
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Thrust
Types of Forces: Contact Force
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Thrust
Lift
Types of Forces: Contact Force
Weight
Gravitational Force
Types of Forces: Non-Contact Force
Region of space around a body
How can gravitational force act without contact?
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Thrust
Gravitational force acts within the gravitational field
Mass versus Weight
• Mass– Amount of matter in an
object– unit: kilogram, kg– Does not change with
location
Mass versus Weight
•Weight•Gravitational force on the object•Unit: Newton, N• Equal to mass x acceleration due to gravity
W = m x gWhere 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
Normal Force
Drag
Friction
Thrust
Weight
Upthrust
Drag Thrust