Fill in the blanks.

Select the missing words in the text.

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A box is pushed along the ground. Which energy transfer is involved?

Choose 1 answer

heating

mechanical working

electrical working

waves

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What is the correct equation linking kinetic energy, mass and speed?

Choose 1 answer

kinetic energy = 0.5 x mass x speed²

kinetic energy = mass x speed²V

kinetic energy = 0.5 x mass x speed

kinetic energy = 0.5 x weight x speed²

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What is the kinetic energy of an object with mass 4 kg moving at a speed of 5 m/s?

Choose 1 answer

20 J

10 J

50 J

100 J

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What happens to the kinetic energy of a vehicle if you double its speed?

Drag the images into the correct place.

Correct Answer

Incorrect Answers

doubles

stays the same

quadruples

triples

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Answer incorrect

Look at the slide below to work out the answer.