2-5 How can work be measured?
OBJECTIVE: Use the proper units to measure and express work.
Key Term
joule: metric unit of work; equal to 1 N-m (newton-meter)
Lesson Summary
• Work is equal to force times distance.
• Work can be measured in newton-meters.
• A joule (J) is equal to one newton-meter (N-m) of work.
Key Term
joule: metric unit of work; equal to 1 N-m (newton-meter)
Lesson Summary
• Work is equal to force times distance.
• Work can be measured in newton-meters.
• A joule (J) is equal to one newton-meter (N-m) of work.
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