Last Modified: 2012-01-11
- A force or attraction between two objects.
- 2 factors are mass and distance
- Mass is directly proportional to gravity
- Distance is inversely proportional to gravity
Momentum (kg*m/s)= Mass (kg) x velocity (m/s)
Work (J) = Force (N) x Distance (m)
Power (W) = Work (J)/Time (s)
Kinetic Energy (J) = 1/2mass (kg) x velocity (m/s) ^2
SI unit is Joules
EX: Apple in a tree
GPE (J) = mass (kg) x gravity (m/s^2) x height (m)
Heat (J) = mass (g) x Specific Heat Change (J/g*c) x Specific Temp. (C)
EX: In a pot, warmer liquids move away from the heat source and cooler moves toward it.
EX: Sun to Earth
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