Final answer:
Backlash in a gear system can be measured using a micrometer, gage block, or gear measurement machines.
Explanation:
Backlash in a gear system can be measured using a tool called a micrometer to measure the amount of play or gap between gears. Another instrument that can be used is a gage block to measure the linear displacement caused by the backlash in the gear system. Additionally, gear measurement machines can be utilized to accurately assess the backlash in a gear system.
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