If a tool handle is comfortable to hold, what is the effect on work?

Correct answer: Work becomes easier and safer

The direct answer is C, work becomes easier and safer. Ergonomic tool design should help the hand hold and control the tool without unnecessary force, awkward bending, or painful pressure. The reasoning is: a comfortable handle fits the hand better; a better fit improves grip and control; improved control reduces slipping and makes accurate work easier; less excessive force can reduce strain and injury risk. Option C is correct. Option A is wrong because a suitable handle normally reduces difficulty. Option B is wrong because comfort usually supports a steadier grip rather than a weaker one. Option D is wrong because fatigue does not always increase; an ergonomic handle may reduce it, although no design can remove every kind of fatigue. The handle should also suit the task, hand size, surface, weight, and required force. Memory cue: good fit gives good grip and control.