Do you know what work is?
Work Done and Power Quiz
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Question 1 of 12Question 1
Which of the following best describes energy?
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Question 2 of 12Question 2
What do we call the energy transferred by a force?
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Question 3 of 12Question 3
Which of the following is the correct equation for work done?
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Question 4 of 12Question 4
What does E represent in the equation for work done?
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Question 5 of 12Question 5
What does F represent in the equation for work done?
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Question 6 of 12Question 6
[question number = 04.3] Jack moves a cube weighing 250N. He moves the cube by 2.5m in a straight line. Calculate the work done by Jack.Â
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J
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Question 7 of 12Question 7
[question number = 04.4] A crane raises a concrete bucket 12m into the air. The bucket including the cement weighs 850N. Calculate the work done. Answer to 1d.p
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J
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Question 8 of 12Question 8
The equation for work done is E = F x d. Calculate the distance moved when a 650 J of work is done to move a 160 N object. Leave your answer to 1 d.p and include the units.
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m
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Question 9 of 12Question 9
Destroyed, created, transferred
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Complete the sentence. Power is the rate at which energy is .
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Question 10 of 12Question 10
Complete the equation for power. Power (W) = work done (J) / ……..
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Question 11 of 12Question 11
Kate and Emma both walk up 10 stairs, moving 4.5m higher than before. Emma does this in 2.7 seconds, Kate does this in 3.2 seconds. Which girl has exerted the most power?
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Question 12 of 12Question 12
An electric motor does 70,000 J of work in 200 s. Calculate the Power of this action. Answer to 1 d.p
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W
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