Time 10 swings, human error Density of a liquid Volume (cm3)

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Presentation transcript:

Time 10 swings, human error Density of a liquid Volume (cm3) 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)

Force- earth pulls to the center 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

Moment in clock.=moment in anti-clock. 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

Watt is the unit of power??? 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???