A father pushes his child in a cart - Edexcel - GCSE Physics - Question 3 - 2014 - Paper 1
Question 3
A father pushes his child in a cart. The cart starts to move.
Scientists can use many physical quantities to describe what is happening. Four of these are shown in ... show full transcript
Worked Solution & Example Answer:A father pushes his child in a cart - Edexcel - GCSE Physics - Question 3 - 2014 - Paper 1
Step 1
Which one of these can be measured in joules per second?
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Answer
In this context, the correct answer is C. power. Power is defined as the rate of doing work or the rate at which energy is transferred, and it is measured in joules per second.
Step 2
Complete the sentence using words from the box.
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Answer
The energy transferred to the cart is equal to the work done on the cart.
