Question detail
What unit is used to measure moment?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Moments, levers and gears (physics only)
Question
- A. Joules
- B. Newtons
- C. Newton metres
- D. Watts
Answer
Newton metres
Explanation
Moment is measured in newton metres (Nm), which reflects the force applied and the distance from the pivot.
Common mistake
Rearranging the Moment Equation
Students often treat the moment equation M = F × d as if F and d are interchangeable, writing F = M ÷ d and d = M ÷ F but then mistakenly use the same symbol for both when solving, leading to incorrect units or values.
Remember that M, F and d are distinct quantities: M is in N·m, F in N and d in m. When rearranging, keep the symbols separate and check units: F = M ÷ d (N = N·m ÷ m) and d = M ÷ F (m = N·m ÷ N).
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