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A device that measures the presence of radiation and clicks a lot. 

A weak link intentionally placed into an electric circuit. 

This type of motion involves an object moving back and forth repeatedly. 

This says that acceleration is proportional to the net force acting on an object, and that the constant of proportionality is the mass of the object.    ie:    F = ma

Amount of time it takes for an object in simple harmonic motion to complete one cycle of motion. 

unit for electric potential

An object launched through the air and nothing acting upon the object except gravity. 

This is what causes an ambulance’s siren to sound different while it approaches you than it does after it passes you. 

Energy that is a function of an object’s height off the ground. 

This is the rotational version of Force.