Question 16
Question 16 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
5. Work, energy and power
5.1. Energy conservation

understand the concept of work, and recall and use work done = force × displacement in the direction of the force

16. Thermodynamics
16.2. The first law of thermodynami...

recall and use W = pΔV for the work done when the volume of a gas changes at constant pressure and understand the difference between the work done by the gas and the work done on the gas

6. Deformation of solids
6.2. Elastic and plastic behaviour

understand that the area under the force–extension graph represents the work done