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1. compare the units of the constant proportionality for gravitational force and electric force.
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Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
1. compare the units of the constant proportionality for gravitational force and electric force....
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