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General Physics

General Physics. Time. Length. stopwatch. Pendulum. Ruler. Measuring Cylinder. V = L xW x h. Time 10 swings, human error. Density of a liquid. Volume (cm 3). Density of a stone V 2 -V 1. Divide time by 10. Density of a rectangular cube. Density =Mass(g)/volume (cm 3 ).

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General Physics

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  1. General Physics Time Length stopwatch Pendulum Ruler Measuring Cylinder V = L xW x h Time 10 swings, human error Density of a liquid Volume (cm3) Density of a stone V2-V1 Divide time by 10 Density of a rectangular cube Density =Mass(g)/volume (cm3)

  2. Force of gravity Amount of matter Force- earth pulls to the center Mass Weight Kg Newton (N) Always stays the same Changes Weight = mg = mass x 10

  3. F = ma Fᾳ x F=kx Hooke’s Law Forces Shape, size and motion Moment = fxd equilibrium Moment in clock.=moment in anti-clock. No resultant force and turning effect

  4. Joules(J) Energy potential Kinetic Work W = fxd P.E =mgh • KE=½ mv2 • PEtop =Kebottom • mgh= ½ mv2 • gh=1/2 v2 • v2= 2gh • v= 2gh P=W/t Watt is the unit of power???

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