Work And Energy.
8 official learning outcomes, with 270 practice questions mapped to this unit in the Android app.
What you need to learn.
We copy the learning outcomes from the curriculum map used by the app. Counts include only questions matched to an outcome.
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Describe the concept of work in terms of the product of force F and displacement d in the direction of force
65mapped MCQs -
Describe energy
21mapped MCQs -
Explain kinetic energy
53mapped MCQs -
Explain the difference between potential energy and gravitational potential energy.
20mapped MCQs -
Describe that the gravitational potential energy is measured from a reference level and can be positive or negative, to denote the orientation from the reference levels.
21mapped MCQs -
Express power as scalar product of force and velocity.
51mapped MCQs -
Explain that work done against friction is dissipated as heat in the environment.
21mapped MCQs -
State the implications of energy losses in practical devices
18mapped MCQs
Find the subject to study next.
In the Android app, take a free 180-question mock with the real 81 / 45 / 36 / 9 / 9 subject split. Then review every answer. Full mocks do not run on this website.