Question

work and energy lesson notes for 9th​

Answer 1

Explanation:

Work and energy

Work is closely related to energy. The work-energy principle states that an increase in the kinetic energy of a rigid body is caused by an equal amount of positive work done on the body by the resultant force acting on that body.

SI unit: joule (J)

In SI base units: 1

Answer 2

Answer:

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