Work Energy Power

Delves into the core principles governing energy and its transformations. Through conceptual video lessons, mastery practices and summary notes, you’ll explore topics like kinetic and potential energy, force-energy relationships and the fascinating world of power and efficiency.

๐Ÿ‘จ๐Ÿปโ€๐Ÿซ2 Lessons * 2 Hours/Week

๐Ÿ’ป12 Conceptual Videos & 38 Example Question Videos

Mastery Practices


Figure below shows 4 situations in which force F is applied at various angles with respect to the direction of displacement s of the objects.

Rank the situations, with ascending order, the magnitude of the work done on the object.

Answer Explanation


A car of mass 800kg moving at 30 km h^(-1) along a horizontal road is brought to rest by a constant retarding force of 5000N. Calculate the distance the car moves before coming to rest.

Answer Explanation

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