Physics
Grade-6
Easy
Question
Energy is required to do ______ work
- Waste
- Useful
- Long
- Steady
Hint:
Useful
The correct answer is: Useful
Energy is required to do work and the basic SI unit of energy is the joule, the amount of energy required to exert a force of 1 Newton through a distance of 1 meter (1 joule = 1 newton meter).
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