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        | 6.1.1 State Newton’s universal law of gravitation. |  | Definition 
 
        | all masses in the universe attract all masses in the universe. The masses are point masses. |  | 
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        | 6.1.2 Define gravitational field strength. |  | Definition 
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        | 6.2.1 State that there are two types of electric charge.
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        | 6.2.4 State Coulomb’s law. |  | Definition 
 
        | force is proportional to the size of both charges and inversely proportional to the distance between them. |  | 
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        | 6.2.5 Define electric field strength. |  | Definition 
 
        | force per positive unit test charge. |  | 
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        | 6.2.7 Draw the electric field patterns for different charge configurations. |  | Definition 
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        | 6.3.1 State that moving charges give rise to magnetic fields. |  | Definition 
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        | 6.3.2 Draw magnetic field patterns due to currents. |  | Definition 
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