IB Physics HL A 3 2 Work As Energy Transfer Questions

Practise defining work as energy transferred by a force through a displacement, using the force component along the motion.

Exam points

Define work as energy transferred by the component of a force parallel to displacement, using W=Fs cosθ.
Use the area under a force–displacement graph to calculate work done.
Calculate or explain energy dissipated by friction, and recognise when zero work is done because there is no force component along the displacement.

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Study A.3.2—Work as energy transfer conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

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This question is about the motion of a ship and observing objects from it.

Outline the meaning of work.

work done = force × distance moved;
(distance moved) in direction of force;
or
energy transferred;
from one location to another;
or
work done $=F s \cos \theta$ ;
with each symbol defined;

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IB Physics HL A 3 2 Work As Energy Transfer Questions question 1