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Word Count: 438
Laws Newtons first law of motion an object will continue in a state of rest or uniform motion in a straight line unless an eternal force acts upon it Newtons second law of motion the rate of change of momentum of an object is directly proportional to the force acting and takes place in the direction in which the force acts Newtons third law of motion To every action there is an equal but opposite reaction Law of conservation of momentum When two or more objects act on each other their total momentum remains constant provided no external forces are acting Law of conservation of energy energy cannot be made or destroyed but it can be changed from one form into another Kinetic Theory of matter all matter is made up of tiny particles called molecules which are constantly in motion attract each other strongly when close together Pressure Law the pressure of a mass of gas is directly proportional to its absolute temperature provided the volume of the gas is kept constant pT constant Charles Law the volume of a fixed mass of gas is directly proportional to its absolute temperature provided the pressure of the gas is kept constant VT constant Boyles Law the pressure of a fixed mass of gas is inversely proportional to its volume provided the temperature of the gas is kept constant pV constant Combined Gas equation for a fixed mass of gas pVT constant Ohms Law the current flowing through a metal conductor is directly proportional to the pd across its ends provided the temperature and other physical conditions remain constant Maxwells Screw Rule the direction of the turning of the screw gives the direction of the field Right-hand Grip Rule thumb points to N pole RIGHT hand around solenoid fingers indicate conventional current Flemings LEFT Hand Rule to find the direction of the force Thumb force First Finger
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