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Roller coaster and Relativity This is a product of Mr Essex a member of the science department of Dartford Technology College Question 1 • Work done is measured in what units ? • • • • Watts Newtons Joules Volts Question 2 • The energy transferred by a force on a moving object is called ? • • • • Watts Work done Volts Amps 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 Question 4 • Work done in Joules is equal to the force in Newtons multiplied by the displacement in ? • Feet • Fathoms • Metres • Inches Question 5 • Power is measured in ? • • • • Joules Volts Watts Amps Question 6 • Power is defined as the work done divided by the ? • • • • Length Height Time taken Pitch Question 7 • Calculate the work done if the force is 10 Newtons and the distance moved is 5 metres ? • • • • 0.5J 2J 50 J 200J Question 8 • Power is equal to Joules divided by ? • • • • Length Height Time Speed Question 9 • Calculate the power if an amplifier produced 400 J in 20 seconds ? • • • • 20 Watts 8000 Watts 20 Joules 8000 Joules Question 10 • How many Watts in 0.5 kW ? • • • • 5 50 500 5000 Question 11 • Kinetic Energy is measured in ? • • • • Watts Volts Amps Joules Question 12 • Kinetic Energy is equal to half the mass times by ? • • • • Velocity Velocity squared Velocity cubed Half the velocity Question 13 • Potential Energy is measured in ? • • • • Watts Joules Volts Amps Question 14 • Potential Energy is calculated by multiplying the Mass, height and ? • • • • Distance Time Gravity Speed 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/s2 ? • • • • 60 J 600J 6000J 60000J Question 16 • Electrical Energy is measured in ? • • • • Volts Watts Amps Joules 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) 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) Question 19 • The theory of relativity was put forward by one of the following scientists ? • • • • Kepler Barnard Einstein Newton Question 20 • What do we call a device that can change one form of energy into another ? • • • • Transformer Transistor Transplant Transducer Hard luck • You have made a mistake but if you wish to try again click the button below. Well done • You have successfully completed this revision. If you wish to repeat it click the button below.