1. Roller coaster and Relativity This is a product of Mr Essex a member of the science department of Dartford Technology College

2. Question 1 Work done is measured in what units ? Watts Newtons Joules Volts

3. Question 2 The energy transferred by a force on a moving object is called ? Watts Work done Volts Amps

4. Question 3 Energy cannot be created or destroyed, we call this the law of ? Conservation Conservation of Mass Conservation of Energy Conservation of rare animals

5. Question 4 Work done in Joules is equal to the force in Newtons multiplied by the displacement in ? Feet Fathoms Metres Inches

6. Question 5 Power is measured in ? Joules Volts Watts Amps

7. Question 6 Power is defined as the work done divided by the ? Length Height Time taken Pitch

8. Question 7 Calculate the work done if the force is 10 Newtons and the distance moved is 5 metres ? 0.5J 2 J 50 J 200J

9. Question 8 Power is equal to Joules divided by ? Length Height Time Speed

10. Question 9 Calculate the power if an amplifier produced 400 J in 20 seconds ? 20 Watts 8000 Watts 20 Joules 8000 Joules

11. Question 10 How many Watts in 0.5 kW ? 5 50 500 5000

12. Question 11 Kinetic Energy is measured in ? Watts Volts Amps Joules

13. Question 12 Kinetic Energy is equal to half the mass times by ? Velocity Velocity squared Velocity cubed Half the velocity

14. Question 13 Potential Energy is measured in ? Watts Joules Volts Amps

15. Question 14 Potential Energy is calculated by multiplying the Mass, height and ? Distance Time Gravity Speed

16. Question 15 Calculate the Potential energy if a mass is 10 kilograms at a height of 6 metres and the gravity on Earth is 10m/s 2 ? 60 J 600J 6000J 60000J

17. Question 16 Electrical Energy is measured in ? Volts Watts Amps Joules

18. Question 17 Electrical energy (J) is equal to ? Power (W) x Time (s) Time (s) x Volts (V) Power (W) X Volts (V) Volts (V) x Amps (A)

19. Question 18 Power (W) is equal to ? Volts (V) x Time (s) Volts (V) x Amps (A) Joule (J) x Time (s) Amps (A) x Time (s)

20. Question 19 The theory of relativity was put forward by one of the following scientists ? Kepler Barnard Einstein Newton

21. Question 20 What do we call a device that can change one form of energy into another ? Transformer Transistor Transplant Transducer

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