Specification focus Questions on Work and Power for Pearson Edexcel IGCSE

Work and Power

1. Write down the equation to calculate work in terms of force and distance moved in the direction of the force. 
2. What are the units for force, distance and work done? 
3. What is work done equal to? 
4. Write down the relationship between gravitational potential energy, mass, gravitational field strength and height. 
5. What are the units of gravitational potential energy, mass, gravitational field strength and height? 
6. Write down the equation to calculate the kinetic energy of a moving object. 
7. Explain how the conservation of energy produces a link between gravitational potential energy, kinetic energy and work, 
8. Complete the following equation: Work Done = 
9. What are the units of work done, force and distance? 
10. What is power in terms of energy and in terms of work done? 

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