Energy Transfer Quiz

An educational illustration of energy transfer concepts, featuring diagrams, arrows showing energy flow, and symbols representing kinetic and potential energy in a bright and engaging style.

Energy Transfer Quiz

Test your knowledge on energy transfer principles and concepts! This quiz is designed to challenge your understanding of the conservation of energy, kinetic energy, and efficiency among other topics.

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Fundamentals of energy conservation
Kinetic and potential energy calculations
Efficiency of devices like light bulbs

10 Questions2 MinutesCreated by CalculatingEnergy42

What is the correct definition for the principal of conservation of energy?

Energy is transferred fully from one source to only one other source and is never dissipated.

Energy is sometimes created/destroyed when being converted between sources

Energy can't be created or destroyed, only converted from one source to another

Which Sankey diagram is the correct diagram for a filament light bulb that is 37% efficient?

Using the kinetic energy formula, if we double the speed what happens to the kinetic energy?

No change in kinetic energy

Kinetic energy doubles

Kinetic energy quadruples

Kinetic energy halves

Choose the correct answer for the mass of an object when it has a gravitational potential energy of 9 kilo joules when dropped from a height of 100 metres

1.13 kg

8829 kg

9.17 kg

10.28 kg

What is the correct definition for work done?

Force multiplied by the distance moved in the direction of the force

Force divided by the distance moved in the direction of the force

Energy associated with a mass moving in a certain direction at a velocity

Distance moved in a certain direction multiplied by efficiency

Which one of these tasks is commonly associated with chemical energy?

Striking a match

Lighting strike

Turning on Halogen lightbulb

Boiling water

What is the correct definition of a Joule?

The work done/energy transferred by a force of one newton acting though a distance of one metre.

The work done/energy transferred when a force of one newton is divided by a distance of one metre.

The work done/energy transferred when the mass of an object is multiplied by the distance travelled in a set direction.

The work done/energy transferred when a force of one newton is multiplied by the mass of an object.

What are the correct SI base units for the universal gravitational constant?

N kg^2 m^2

M^3 Kg^-1 s^-2

Kg m^2 s^-2

N m^-3 s^3

Which SUVAT formula is equivalent to the change in Kinetic Energy?

V=U+AT

S=[(U+V)/2]T

V^2=U^2+2AS

S=UT+1/2AT^2

The percentage efficiency of a LED bulb is 70%, at 100% the bulb can produce 3000J. What is the useful output of joules when the light bulb is at 70% efficiency

210J

210000J

2100J

21000J

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