Work And Energy

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. 1 is the work done when a force of one newton moves an object through a distance of one metre in the direction of force.
2. The ability of a body to do work is called .
3. The ability of a body to do work because of its motion is called energy.
4. The sum of potential and kinetic energy of a body is called energy.
5. Power is the rate of doing .
6. An electric lamp of 100 W is used for 5 hours per day. The units of energy consumed by lamp in one day is units.
7. 1 watt is the rate of working of one per .
8. The electricity meter installed in our home measures electric energy in the units of .
9. When a ball is thrown upwards, energy is transformed into energy.
10. Work is a quantity.