10. What is the unit used for energy? Do Watt D Nenton D ft-b De Joule

The correct answer is D. Joule.The unit used for energy is the Joule (symbol: J). The Joule is the standard unit of energy in the International System of Units (SI). It is defined as the amount of work done when a force of one newton is applied over a distance of one meter. The Joule is also the unit of work and heat in the SI system.The other options are not the correct units for energy:A. Watt is the unit of power, which is the rate of energy transfer or conversion.B. Nenton is not a recognized unit of energy.C. ft-b (foot-pound) is a unit of work or energy, but it is not the standard SI unit.Therefore, the correct answer is D. Joule.