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What is Force?
a push or pull on an object
SI unit of Force
N (Newton)
What is net force?
The sum of all forces acting on an object
What is Magnitude
it is basically the strength of force
Equal force in same direction?
Fa + Fb
Unequal force in same direction?
Fa + Fb
Equal force in opposite directions?
Zero
Unequal force in opposite direction?
Fa - Fb
What is Upthrust?
When there is a upward force
Effects of force?
Force can change -
Size
Direction
Speed
Shape
Motion
Two types of forces?
Contact and Non-contact