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Across 2. ______________ is the ability to do work 4. SI unit of power ____________ 7. _______________ can be defined as the energy possess by an object due to its motion 10. _______________ is the SI unit for energy either kinetic energy or potential energy 11. SI unit of work ____________

Down 1. ____________ can be defined as the energy stored in an object due to its height or vertical position 3. ______________ can be defined as the ratio of the useful output energy to the energy put into the machine 5. The principle of __________________ of energy states that energy cannot be created or destroyed but it can be changed from one form to another. 6. ______________ can be defined as force acting upon an object to cause a displacement in the direction of the applied force 8. Another SI unit of work _______________ 9. _____________ is the rate of which work is done