form_title= Work Gloves form_header= Keep your hands and fingers safe with gloves. How many pairs of gloves do you need?*= {Less than 10, 10, 20, 30, 40, 50, More than 50} What color do you want the gloves?*= _ [50] What type of jobs do you work on?*= _ [50]
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I usually start with the definition of work: Work = force * distance so... Force = work / distance Distance = work / force So, no. You had it backwards.
efficiency
Work for what?
work out everything within the brackets first. then work out rest of equation.
If a machine has 100 percent efficiency, the output work = the input work. That's actually basically what the efficiency of a machine is - output work / input work * 100.