Question detail

What is the unit of elastic potential energy?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Energy changes in a system, and the ways energy is stored before and after such changes

Question

A. Joules
B. Newtons per metre
C. Metres
D. Kilograms

Answer

Joules

Explanation

Elastic potential energy is measured in joules, which is the standard unit of energy.

Common mistake

Confusing Units of Measurement

Students often confuse elastic potential energy measured in joules with spring constant measured in newtons per metre.

Remember that elastic potential energy is always expressed in joules, while the spring constant is expressed in newtons per metre. Keep the units distinct when solving problems.

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